Screwdriver Insert Bits & Adaptors

The IRWIN® Impact Pro Extension has a rare earth magnet, which are four times more powerful than standard magnets to hold fasteners securely. An ex...

The Irwin Lock-n-Load Quick Change Extension Bit Holders have a LOCK-N-LOAD™ System for one-handed quick release. The jaw design holds bits securel...

The Irwin Lock-n-Load Quick Change Extension Bit Holders have a LOCK-N-LOAD™ System for one-handed quick release. The jaw design holds bits securel...

The Irwin Lock-n-Load Quick Change Extension Bit Holders have a LOCK-N-LOAD™ System for one-handed quick release. The jaw design holds bits securel...

IRWIN® Magnetic Bit Holder is specially designed for the higher torque requirements of power tools. Provides more clearance between the power tool ...

This Irwin® 10504381 is a magnetic Screw Drive Guide for better retention, reducing fastener slipping and wobble, made of heavy-duty material for l...

IRWIN® Bit Holder is suitable for impact screwdriver bits. Manufactured with heavy-duty, cold-forged, high-grade steel to withstand high torque out...

The Irwin Extension Bars are specifically engineered for use in high torque impact drivers. They have a patented jaw design which is compatible wit...