? Spring-Loaded Center Punch Tool Set for Steel Wood Plastic Window Glass Crushing Hand Tool, Automatic Center Punch Heavy Duty Determine Drilling Position
? Car Escaping Tool: Center punch is the best tool to final the central point before punching, accurately punch holes in wood, thin steel and plastic, and as an emergency escape tool and window breaker.
? Tapping Drill Bit Set UNC Size: 6 - 32NC (3.5mm), 8 - 32NC (4.2mm), 10 - 32NC (5mm), 10 - 24NC (5mm), 12 - 24NC ( 5.7mm), 1 / 4 - 20NC (6.35mm)
? Complete hole drilling, tapping, deburring and countersinking in one operation with power drill saves labor & time
? Drilling and tapping 2 in 1.Suitable for wood, plank, plastic, aluminium plate or sheet iron (thickness of less than 3mm).