Easily level Hunting and Target sights; Works for fixed pins or slider sights; Fits sight rails with sights with flat or angled sight tape surface; String groove doubles as location to hold angled sight tape surface in place; True 3rd Axis Alignment Patented Technology; Compact Sliding Design - Allows the clamping surface to smoothly expand while staying keyed in place; Increased Clamping Width - Capable of opening up to accept sight or riser widths of up to 1.3"; 5" long, 1.25" wide, 0.75" tall - 23% shorter than the original Hamskea Easy Third Axis Level (3.26"); String groove for leveling bow in a bow vice - Easily level your bow in the vise with the turret (circular) level; Multiple mounting options - Riser, sight dovetail, sight rail, string; All metal design - A quality tool for archers who demand the best out of their equipment