ITEM NAME:New Archery T Bow Square Tool for Recurve & Compound Bows Longbow Black Description: Materials: Aluminum Alloy 32.6 x 8.4 cm/ 12.83 x 3.3 inch (L x W) Thickness: 5mm/ 0.2 inch Includes metal clips for secure placement Works on longbow, recurve and compound bows, for precise nocking point positioning. Package Includes: 1 Piece T Bow Square.1 Piece T Bow Square.