The cheekplate revolves around the sheave axle allowing the block to open; a safety pin, which engages automatically on closing, stops the block from opening accidentally.
Materials: high-strength resin sheaves, hard anodized alloy cheekplates, high-strength stainless steel (17-4-PH) structural pins.
The block can be attached with webbing or better still with a fine highly resistant line made of material such as Kevlar or Spectra.
Model /SN is supplied with a HR Wichard snap shackle.
Model /SH is supplied with a shackle.