’ Chuck Key 4-Sided, Pilot Size (In.) 15/64, 1/4, 17/64, Used On 3/8 In. and 1/2 In. Capacity Drill Chucks, Chuck Key Size #1, #2, #3, #4'



’ Chuck Key 4-Sided, Pilot Size (In.) 15/64, 1/4, 17/64, Used On 3/8 In. and 1/2 In. Capacity Drill Chucks, Chuck Key Size #1, #2, #3, #4'
