165622 Brand:N/A Model:N/A Quantity:1 piece(s) per pack Color:Black Material:Aluminum alloy Suitable Gun Type:11mm rail scope Specification:Converts 11mm rail to 20mm weaver rail Packing List:1 x Rail adapter 1 x Hex wrench Dimensions: 3.15 in x 0.98 in x 0.94 in (8.0 cm x 2.5 cm x 2.4 cm)