UKAS 
Accredited Tool
 Calibration
 & Repair
							 
						 
							
						 
						 
							
						Acc. to DIN 3123, ISO 3316
For hand-operated sockets and accessories with square drive as per DIN 3120, ISO 1174, ball locking device
Vanadium steel 31CrV3, polished, chrome-plated