8/9 Series SS Swivel Single Block Spring mounted / on 1 in -12 Threaded SS Plug

8 Series Single block works with 78-77 base only. Stainless Steel cheeks, Delrin(tm) sheave runs on Nomex(tm)/Teflon(tm) bearing for low-friction yet high strength operation. Spring mounted, on 1 in -12 threaded stainless steel plug.

Our Part # SCH0877 | Schaefer Part # 28338