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In a fastener driving tool, a carrier for holding a plurality of fasteners comprises a plurality of sleeves, each sleeve holding an associated fastener. Each sleeve has a body with an axis and a bore, the bore extending axially through the body and the bore being for receiving the associated fastene

In a fastener driving tool, a carrier for holding a plurality of fasteners comprises a plurality of sleeves, each sleeve holding an associated fastener. Each sleeve has a body with an axis and a bore, the bore extending axially through the body and the bore being for receiving the associated fastener. A set of compressible ribs is also included within the bore of the sleeve for gripping a shank of the associated fastener so that the associated fastener is positioned substantially in the axial direction of the sleeve when the fastener is driven. Each rib has a curved portion that is concave with respect to the bore.

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1. A sleeve and pin assembly for use in a pin driving tool comprising:a drive pin for driving into a substrate, said drive pin having a shank;a body having an axis and a bore, the bore extending axially through the body, the bore being for receiving the drive pin, wherein said body breaks away from

1. A sleeve and pin assembly for use in a pin driving tool comprising:a drive pin for driving into a substrate, said drive pin having a shank;a body having an axis and a bore, the bore extending axially through the body, the bore being for receiving the drive pin, wherein said body breaks away from said drive pin as said drive pin is driven into said substrate; anda set of compressible ribs within the bore for gripping the shank of the drive pin, at least one rib extending substantially through the bore in the axial direction, so that the drive pin is aligned substantially in the axial direction of the body when the drive pin is forcibly driven by said pin driving tool, wherein each rib abuts against the shank of the drive pin. 2. A sleeve and pin assembly according to claim 1, wherein each rib has a curved portion that is convex with respect to the bore, the curved portion being compressible and abutting against the shank of the drive pin. 3. A sleeve and pin assembly according to claim 1, wherein the body comprises three ribs. 4. A sleeve and pin assembly according to claim 1, wherein the body comprises four ribs. 5. A sleeve and pin assembly according to claim 1, wherein the body is molded from a polymeric material. 6. A sleeve and pin assembly according to claim 1, wherein the body is molded from polypropylene. 7. A sleeve and pin assembly according to claim 1, wherein the body is connected by a frangible bridge to an adjacent body, such that the bodies form a carrier for holding a plurality of drive pins. 8. A sleeve and pin assembly according to claim 1, wherein each sleeve further comprises notches to aid in the breaking of said body. 9. A sleeve and pin assembly according to claim 1, wherein said body further comprises two ends with an annular flared portion at each end, and a concave recess between said ends. 10. A sleeve and pin assembly for use in a pin driving tool comprising:a drive pin for driving into a substrate, said drive pin having a shank;a body having an axis and a bore, the bore extending axially through the body, the bore being for receiving the drive pin, wherein said body is driven with said drive pin and said body breaks away from said drive pin as said drive pin is driven into said substrate; anda set of ribs within the bore for gripping the shank of the drive pin, at least one rib extending substantially through the bore in the axial direction, so that the drive pin is aligned substantially in the axial direction of the body when the drive pin is forcibly driven by said pin driving tool, wherein each rib abuts against the shank of the drive pin;wherein each rib has a curved portion that is convex with respect to the bore, the curved portion being compressible and abutting against the shank of the drive pin. 11. A sleeve and pin assembly according to claim 10, wherein the body comprises three ribs. 12. A sleeve and pin assembly according to claim 10, wherein the body comprises four ribs. 13. A sleeve and pin assembly according to claim 10, wherein the body is connected by a frangible bridge to an adjacent body, whereby the bodies form a carrier for holding a plurality of drive pins. 14. A strip of drive pins for use in a pin driving tool comprising:a plurality of drive pins for driving into a substrate, each one of said plurality of drive pins having a shank;a carrier having a plurality of sleeves, each sleeve for holding an associated drive pin and having a body with an axis and a bore, the bore extending axially through the body, the bore being for receiving the associated drive pin, wherein each one of said plurality of sleeves is driven with said associated drive pin and breaks away from said associated drive pin as said associated drive pin is driven into said substrate;a set of compressible ribs within the bore of each sleeve for gripping the shank of the associated drive pin, at least one rib of each sleeve extending substantially through the bore of the sleeve in the axial direction, so that the associated drive pin is aligned substantially in the axial direction of the sleeve when the drive pin is forcible driven by said pin driving tool, wherein each rib abuts against the shank of the associated drive pin; andat least one frangible bridge between adjacent sleeves of the carrier. 15. A strip of drive pins according to claim 14, wherein each rib of each sleeve has a curved portion that is convex with respect to the bore, and the curved portion being compressible and abutting against the shank of the associated drive pin. 16. A strip of drive pins according to claim 14, wherein each sleeve comprises three ribs. 17. A strip of drive pins according to claim 14, wherein the carrier is molded from a polymeric material. 18. A strip of drive pins according to claim 14, wherein the carrier is molded from polypropylene. 19. A strip drive pins for use in pin driving tool comprising:a plurality of drive pins for driving into a substrate, each drive pin having a shank;a carrier having plurality of sleeves, each sleeve for holding an associated drive pin and having a body with an axis and a bore, the bore extending axially through the body, the bore being for receiving the associated drive pin, wherein each one of said plurality of sleeves breaks away from said associated drive pin as said associated drive pin is driven into said substrate;a set of compressible ribs within the bore of each sleeve for gripping the shank of the associated drive pin, at least one rib of each sleeve extending substantially through the bore of the sleeve in the axial direction, so that the associated drive pin is aligned substantially in the axial direction of the sleeve when the drive pin is forcibly driven by said pin driving tool, wherein each rib of each sleeve has a curved portion that is convex with respect to the bore, and the curved portion is compressible and abuts against the shank of the associated drive pin; andat least one frangible bridge between adjacent sleeves of the carrier.