Starrett 18AA Automatic Centre Punch With Adjustable Stroke, 4" Length, 7/16" Diameter

Automatic centre punch with 4" length and 7/16" diameter punches a starter dimple without the need for a hammer Stroke impact can be adjusted by turning knurled cap Spring tension regulates stroke for uniform dimple size at each setting Hardened and tempered steel components provide wear resistance and strength Point can be removed for replacement or sharpening Rugged automatic punch with all-steel handle and parts Internal mechanism strikes a blow when downward pressure is applied Spring tension is constant so marks made by the point are uniform in depth and size The point can be easily removed for regrinding or replacement Adjustable cap regulates the stroke