These Ring Wrench for Extension are manufactured from the same high quality material as our other non-sparking tool line. They are available in Aluminum-Bronze alloy and are useful in a multitude of different applications.

Number/货号	S mm	L mm	Be-Cu/铍青铜 g	Al-Cu/铝青铜 g
164A-24 164A-27 164A-30 164A-32 164A-36 164A-41 164A-46 164A-50 164A-55 164A-60 164A-65 164A-70 164A-75 164A-80	24 27 30 32 36 41 46 50 55 60 65 70 75 80	180 190 200 235 245 265 280 290 300 345 355 365 375 385	475 530 580 795 900 1060 1480 1690 1850 2960 3380 3910 4335 5180	430 480 525 715 815 955 1340 1530 1670 2670 3055 3530 3920 4680