Description Front Binding post The Brass Front Binding Post is the piece of the tattoo machine that holds the contact screw. It is 16mm long and has a 4mm diameter for the hole that houses the lock screw. The hole for the contact screw to go through is 3mm in diameter. Specifications: Quantity: 1 post Size: 16mm long, 4mm hole for lock screw, 3mm hole for contact screw Material: brass
