134357 Model：No Quantity：1 piece(s) per pack Color：Black Material：Aluminum alloy Gun Type：AK 47 Specification：20 mm rail mount Packing List：1 x Guide rail 4 x Screws 1 x Wrench Dimensions: 5.51 in x 0.79 in x 0.35 in (14.0 cm x 2.0 cm x 0.9 cm) Weight: 1.48 oz (42 g)