S.RC – 1/2″ drive locking extensions – S.217RC

NF ISO 3316, ISO 3316, DIN 3123, ASME B107.10
• Total safety as lock system prevents socket loss.
• Safety and instant release, by retracting knurled ring, for total
user confidence.
• Positive locking for use with sockets with internal ball notch.
• Finish: bright chrome with phosphate-hardened ring