Park Tool's CTP-C replacement tool pin is made from hardened alloy tool steel. it uses a 7mm or 9/32" 12 pt box end/socket. (Pack of 2 pins).
. Fits Park Tool's CT-1, CT-2, CT-3, CT-3.2, CT-5, and CT-7 Chain Tools . Made from hardened alloy tool steel . Uses 7mm or 9/32" 12 pt box end/socket . Pack of 2