Ronstan Series 50 All Purpose Block, Single rf51100 xmas24 The 404 uses an O-ring

The 404 uses an O-ring to keep the line in the sheave during intermittent loading

Sta-Plug’s® shape includes a series of concentrically larger riblets stepped along the length of the cone

while its stretch mesh back and supple Neoprene wrist closure complete with a handy watch cut-out makes for a snug fit

Forged snap shackle (316L) with fixed eyeThe plunger pin is set captive into the hook and cannot become detachedExcellent working and breaking loadsEasy to open by pulling the plunger pin (possiblity to attach a lanyard)

Ronstan Series 50 All Purpose Block, Single rf51100 xmas24 The 404 uses an O-ringExceptionally high working loads Low maintenance, long service life Self lubricating Acetal polymer sheave ensures low friction and extreme durability Captive Lock universal head Slotted pin shackle eliminates fouled lines Sheave 50 mm Max. Rope 12 mm Max. Cable mm Pin 5. 0 mm M. W. L. 750 kg B. L. 1500 kg Weight 118 g