Auto Center Punch

* This Spear & Jackson auto centre punch is designed quick and repetive punching without the use of a hammer * Fitted with clip so it can be stored in top pocket of work overalls for convenience * This is a top quality tool made in the UK *

* True diameter of the hole is picked up on the taper and the centre will be punched in the tru position * The hardened guide cone is positioned into the clean edge of the hole to be transfered * Spring loaded knurled body is pushed against the face of the workpiece , perpendicular to the center line of the hole * The punch itself is manufactured from hardened chrome-vanadium steel * Punch point is precision ground