Ergo Grips WedgeLok Slot Cover Grips solidly wedge into KeyMod slots to provide a secure, comfortable grip on handguards or other equipment with KeyMod attachment points. They are made of a rubber like material and are easily installed or removed without tools. Each WedgeLok Slot Cover Grip uses seven KeyMod slots, but can easily be trimmed to length. Their slim design minimizes bulk and are molded with an aggressive texture that is heat resistant.