Fits 3.5×35, 4×32, 5.5×50 ACOG, 1×42 Reflex (with ACOG bases) and 1-6×24 VCOG. Mounts optic to picatinny rail with two thumbscrews. SKU: TO-TA11H Weight: 4.0 OZ. Overall Length: 3.5″ Height of Mount to Optical Axis: 3.5×35, 4×32 and 5.5×50 ACOG = 1.535 in. 1×42 Reflex (with ACOG Bases) = 1.506 in. 1-6×24 VCOG = 1.535 in.