The BlueSpot 6 PCE Parallel Pin Punch set are drop forged from heat-treated chrome vanadium. Ideal for the installation and removal of lock pins, spring pins and cylinder lock roll pins. Contains punches in 2.5mm, 3.5mm, 4.5mm, 6mm, 8mm and 10mm diameter. Punches are 150mm in length. Complete with a handy pouch for quick and easy storage. Manufactured from heat treated chrome vanadium for increased durability. Ideal for installation and removal of pins. Punches are 150mm in length. Complete with handy pouch for quick and easy storage. .