Brownells Premium Roll Pin Holders are accurately drilled to hold tiny roll springs so perfect alignment is obtained. The 1/16" holder is notched to clear M16/AR-15 rear sights. The 3.5MM holder is excellent for holding the pin that retains the breech block on Sig handguns. Each holder is made from 5/16" Hex High Carbon 5160 Steel that is Bainite heat treated for strength. Single groove in grip section and laser marked for quick identification.


The Complete 5-Piece Premium Roll Pin Holder Set includes: notched 1/16" (1.6mm), 5/64" (2.0mm), 3/32" (2.4mm), 1/8" (3.2mm), 3.5mm (0.138”)