Ronstan stand-up blok 50mm plain sheave. swivel. veer

Exceptionally high working loads, low maintenance, long service life Self-lubricating sheave . Slotted pin shackle eliminates fouled lines. Snap fit removable becket pin. Captive Lock™ ,universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removeable so line can be spliced prior to fitting.