Description:Our automatic center punch is widely usedfor marking and starting a hole for drilling without the bit"walking" out of alignment, and suitable for letter stamp sets, glass-breakingtools used in rescue work, impact tool for hardness testing, pin presses forelectronic assembly, and so on.Features:Made from high hardness HSS, the automaticcenter punch is of strong strength and long durability.It's easy to operate, very labor-saving,and the red guide cap functions for cushioning, offering comfort for gripping.When pressed against the workpiece, theautomatic center punch stores energy in a spring, eventually releasing it as animpulse that drives the punch, producing the dimple or hole.Widely used for marking and starting a holefor drilling without the bit "walking" out of alignment.The center hole punch is also an excellenttool stored in the car to be used to break the window in an emergencysituation.Specifications:Condition: 100% Brand NewMaterial: HSS Body, Rubber Guide Cap#1: Yellow Center Punch(S)#2: Yellow Center Punch(S) with Red GuideCap#3: Black Center Punch#4: Silver Center Punch with Red Guide Cap#5: Yellow Center Punch(L)Hardness: 58~65HRCCenter Punch Length(#1 #2 #3 #4): Approx. 13cm/5.12inCenter Punch Length(#5): Approx. 15cm/5.91inWeight: Approx. 63~113gPackage Included:1 * Automatic Center PunchNote:1. Please allow 0~1 inch error due tomanual measurement. Thanks for your understanding.2. Monitors are not calibrated same, itemcolor displayed in photos may be showing slightly different from the realobject. Please take the real one as standard.