Features: Make of aluminum alloy, ensuring its sturdiness and great durability. It is resistant to wear and won't easily rust, guaranteeing long-lasting performances. The included T ruler allows you to measure the distance of the bowstring and adjust the arrows rest levels accurately. The tuning tool features a positioning copper buckle with a brass outer housing and internal nylon pad. The nocking buckle pliers are equipped with alloy jaw for quick installation and removal of the nocking buckle. With its small size and light weight design, the tool can be easily stored in arrows case or bow bag. Specifications: Component: Aluminum Copper Plier size: about 8.4x11cm/3.31x4.33inch Package Includes: 1set Bow String Nocking Points Pliers Strings Set note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.