The G.P.S. Aluminum Firearm Trigger Scale is easy to use and it can be set up for right-handed or left-handed users. It features an aluminum anodized body for long-lasting durability and a curved stainless pull. This unit reads in 0.25 lb increments and stops at the peak pull weight. The trigger pull scale also comes with a rubber handle to reduce scratches. Features: - Aluminum anodized body - Curved stainless trigger pull - Rubber-dipped handle to avoid scratches - This scale reads in 0.