Ergo M-LOK WedgeLok Slot Cover features a low profile with aggressive texture and a positive, non-slip surface. The M-LOK WedgeLok slot covers, cover four M-LOK slots. Comes four per package. Very low profile Chemical and heat resistant 6 1/4" long and 5/8" wide Covers 4 M-LOK Compatible slots Low Profile and can be cut to fit fewer slots