UKAS 
Accredited Tool
 Calibration
 & Repair
							 
						 
							
						 
						 
							
						Acc. to DIN 7422
Square drive as per DIN 3120 - C 6.3, ISO 1174, with ball retention groove
Hand operated, knurled for good grip
Chromed
Tip manganese-phosphated
Chromium vanadium steel