1/4 Adjustable Quick-Change Hex Shank Adapter for 7/32

Universal 1/4-inch quick-change hex shank prevents slipping in standard chucks and is compatible with all 1/4-inch quick-change chucks, including impact drills.

DuraTech Complete 68 Pcs Screwdriver Bit and Drill Bit Set, Hex

CSOOM Professional 7 PCS Countersink Drill Bit Set with Adjustable

Milwaukee Shockwave Square 2 in. L Screwdriver Socket Adapter

1/4 Adjustable Quick-Change Hex Shank Adapter for 3/16 Inch Countersi

Big Horn 18931 # 12 Complete Countersink W/Taper Drill & Quick

2Pcs 1/2 Drive To 1/4 Socket Adapter Hex Drill Chuck Change For

No. 9 Set - Countersink & Tapered Drill Bit Set – Hardwick & Sons

Ratcheting Screwdriver & Socket Set (42 Piece) – MOTORHEAD & STEELHEAD Tools

Drill America 1/4 in. Quick Change Drill Bit with Hex Shank (12

1/4'' quick change adapter - Amtech