Starrett 818 Automatic Center Punch Length (in):5" Length (mm):125mm Punch Diameter (in):5/8" Punch Diameter (mm):16mm Material:Aluminum Mark-10 Same as Insize 3561-25

Same as Insize 3561-25

Without mm graduation

High contrast analogue display

Length (mm): 15

Excellent portability for testing anywhere

Starrett 818 Automatic Center Punch Length (in):5" Length (mm):125mm Punch Diameter (in):5/8" Punch Diameter (mm):16mm Material:Aluminum Mark-10 Same as Insize 3561-25Built in mechanism centres the dimple Stroke impact can be set by turning knurled cap Point can be removed for replacement or sharpening Automatic centre punch with 5" length and 5 8" diameter punches a starter dimple without the need for a hammer Internal parts and point are made from hardened tool steel for wear resistance, and handle is made from 818 aluminium alloy for lighter weight than all steel punches