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4″ Drive Metric Hex Bit Sockets

Proto® 1/4″ Drive Metric Hex Bit Sockets

Bit holders have a hex opening to hold the bit, allowing the bit holder to take the full load of torque

Part No.	Size	Part No.	Size
J4770-2M	2mm	J4770-5M	5mm
J4770-2.5M	2.5mm	J4770-6M	6mm
J4770-3M	3mm	--	--