Tool holster that fits 390 Harness, 387 and 380R Harnesses. Double Holster will not fit on Size S and M harnesses. Designed to fit spanner and large crescent wrenches. Fits onto any webbing up to 1.75 inches. Hangs below belt to allow easy access to tools. Three Sizes: Small (1"-1 1/4" opening), Large (1 1/4" -1 3/4" opening). Double (Has one "S" and one "L" together on one backplate) Specify Right/Left, small loop Foreward"R" or Back "L".