Squirrel Daddy Front Sight Armorers Installation and Removal Hex Tool 3/16 Hex Nut Driver Tool for Glock 100% Made in USA from USA sourced Stainless Steel makes our tool worth having in your gunsmithing tool box. Works with other models with a 3/16 hex front sight screw. Flat nose without a chamfer is specifically designed for low profile hex heads to increases contact area with head. Precsision front sight tool will not rust or break when removing front sight screws One of the many excellent accessories for your gen 1 to 5 Glock. Perfect for changing a standard front sight to a night sight. Compatible with all Glock Models: Glock G17, G19, G20, G21, G22, G23, G25, G26, G27, G28, G29, G30, G31, G32, G33, G34, G35, G36, G37, G38, G39