2PC Chuck Key 5/16 in. Pilot Size 1/2 in.

Drill Chuck Key Type T-Type Key Size 1/2 in Pilot Size 5/16 in Handle Type T For Use With 3/8 in and 1/2 in Capacity Drill ChucksChuck Key Size: 1/2 ;Item: Drill Chuck Key;Pilot Size (In.): 5/16;Used On: 3/8 and 1/2 Capacity Drill Chucks;Key Size: 1/2 in;For Use With: 3/8 in and 1/2 in Capacity Drill Chucks;Type: T-Type;Handle Type: T;Pilot Size: 5/16 in;Country of Origin (subject to change): Taiwan Province of China;