This is a pair of black reproduction pistol grips for the Steyr OWG 1908 WW1. They are made of a hard resin and just need the two screws to attach it the two pieces in place. The sides are 55mm and 33mm and the screwholes are 47mm from center to center. This particular model has two notches on the upper corners of the left grip. It is only $6.00 to ship this item.