A-P12X60-AI Roll Pin, 12 MM x 60 MM, 2 packTwo New Aftermarket Replacement Roll Pins, 12 MM x 60 MM 2 Pack This listing includes two (2) aftermarket replacement roll pins measuring 12 mm O. D. x 60 mm length, conforming to DIN 1481 ISO 8752 heavy duty slotted spring pin standards. Roll pins (also known as slotted spring pins, tension pins, or split dowel pins) are self retaining fasteners commonly used in agricultural equipment drivetrains, PTO assemblies, disc mowers, and related machinery to