Stainless Blocks 25 are for general purpose use. They are economical, reliable and extremely versatile with a variety of head fixings and mounts, making them ideal for small marine and industrial rope applications. The hollow rivets on the single version, 8mm for attachment or as a becket. The loop tops can be shackled or spliced directly onto rope ends, they also pivot freely when deck mounted through eye straps. All models have polished stainless steel bodies, hollow axles and are maintenance free. Standard sheave is Acetal high load self lubricating for conventional ropes up to 10mm. Rope: 8mm Weight: 15g