431363 General Model：N/A Color：Transparent Material：Acrylic Quantity：1Piece Specification Compatible Models：Guitar Other Features Guitar String Diameter：N/Acm Other Features：Length: 60mm， inner diameter: 22mm. Dimensions & Weight Dimensions ：2.36 in x 1.02 in x 1.02 in (6 cm x 2.6 cm x 2.6 cm) Weight 0.39 oz (11 g) Packing List 1 x Guitar Slide Finger Knuckle