204454 Model:N/A Quantity:1 piece(s) per pack Color:Black Material:Aluminum Suitable Gun Type:Suitable for all kinds of barrels and gun with 25mm / 30mm diameter pipe or the 20mm rail gun Specification:The mount diameter is adjustable to fit the 30mm or 25mm barrel; With a 20mm rail mount to fit the 20mm rail Packing List:1 x Mount holder 2 x Plastic sheet 1 x Hex wrench Dimensions: 1.81 in x 1.81 in x 1.81 in (4.6 cm x 4.6 cm x 4.6 cm) Weight: 1.31 oz (37 g)