?Aluminum Alloy                                            <strong>Package weight:</strong> 0.075 kg <br />             <strong>Product size (L x W x H):</strong> 4.0 x 4.0 x 1.3 cm / 1.57 x 1.57 x 0.51 inches <br />             <strong>Package size (L x W x H):</strong> 5.0 x 5.0 x 2.0 cm / 1.97 x 1.97 x 0.79 inches                               <strong>Package contents:</strong> 1 x RP - 10 QR Quick Release Assembly Plate