This Vism m-lok ergonomic hand stop grip is suitable for many different gripping techniques. The textured surface on the m-lok ergonomic hand stop grip provides a slip resistant surface, and it is reversible, so it can be mounted in either direction. The m-lok ergonomic hand stop grip attaches to your handguard using two M-LOK® compatible feet. stop covers 1.5 M-LOK® slots. It is made from black hard anodized aluminum. A mounting tool is included. Limited one-year warranty.