The Brownells Glock Sight Installation Kit is the perfect set of economical tools to install your new Glock sights. The kit contains the Brownells Front Sight Installation tool that fits the hex screw found on aftermarket front sights in standard and longslide Glocks. The Brownells Small Dovetail Sight Punch unique triangular punch face works well on the rear sight, and also fits in the Glock dovetail for final fiting. Mfg: Brownells