17mm socket with black oxide finish PS PRO 17mm socket with black oxide finish, designed for impact use with included quick-change adapter, compatible with 21 and 41 Unistrut channels. PS PRO 17mm socket set PS PRO 17mm socket set highlighting black oxide finish, 1/2 inch drive, and compatibility with Unistrut 21 and 41 series channels. PS PRO 17mm socket PS PRO 17mm socket with black oxide finish, designed for impact use with included quick-change adapter, compatible with 21 and 41 Unistrut channels.
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