40 mm Plain Bearing Block - Single, Swivel Soft Attachment Optimist To determine which size of

To determine which size of track you need

Comment: Hole spacing 100mm

The S20 Soft Attachment Double Block is a high-quality

System: PBB60

it features black anodized aluminum construction

40 mm Plain Bearing Block - Single, Swivel Soft Attachment Optimist To determine which size ofThe PBB40 Single Swivel Block is a 40mm plain bearing block with a swiveling shaft. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0 or 90 shackle position. Suitable for heavy and static loads in halyard tuning, mainsheet systems and boom vang. Polymer sheave and stiff glass fibre reinforced cheeks to prevent the line from jamming. Safe working Load: 350 kg Breaking Load: 700 kg Max line size: 8 mm