Quick-change Chuck Extension, 2 X 1/4-in.

Description

1/4″ quick change 2″ extenstion, patented jaw design holds bits securely on 6 flats as well as ball detent bits, lock-n-load system for one handed quick release, 1/4″ range holds insert bits, carbon steel construction sleeve & body for durability & life, fits all irwin speedbor blue grooves, speedbor max sizes: 7/16″ to 1-1/4″, all fastener drives, unibit sizes: #1, #2, #10 & #12, 1/4″ hole saw arbor sizes 9/16″ to 1-3/16″, countersinks size #4 to #12.