Size #10. 12" working length. Drill bushing type (most commonly ordered series). for drilling duplicate matching holes in overlapping sheets. Drill Guide Duplicators lets you drill directly by using the duplicator as a drill guide.
Adapts standard drill bits for use with 1/4-28 threaded drills. Includes both collet and collet adapter. Overall of length of 1.125". #30 wire drill size.
Mounts onto any 1/4-28 threaded angle drill, and adapts it for use with any 1/4" hex bit. Great way to use screwdriver bits with your angle drill. Positive locking mechnaism.
Adapts standard drill bits for use with 1/4-28 threaded drills. Includes both collet and collet adapter. Overall of length of 1.125". #21 wire drill size.