Ronstan RF41210 double block 40 mm plain sheave. loop head. shackle head. becket

Exceptionally high working loads, low maintenance, long service life Self-lubricating sheave . Slotted pin shackle eliminates fouled lines. Two way head post, Snap fit and removable becket pin. Head can be locked at 0° or 90° by removing the shackle and changing the headpost orientation. Becket pin is removeable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools.