Sash keeper for matching window locks Face mounted, .85" C/L, Rounded holes, with #6 screw Material SS304, powder-coating 1. Model: 81852. ... Description: Sash keeper3. Face mounted, .85" C/L, rounded holes, with #6 screw 4. Material: Stainless Steel 5 ... service make us becoming the best choice of window and door makers.All the products are with competitive price and stable quality.