20 mm S20 Soft Attachment Block - Double, Soft Attachment Single This is a 22 mm

This is a 22 mm wide and 4000 mm long "Sliding Bolt" track

The BBB20 Cheek Block is a 20mm ball bearing block designed for control lines on dinghies and keelboats

The BBB40 Triple Becket Cam Block features three 40 mm sheaves

making this block ideal for leading line over deck on keelboats

Consequently

20 mm S20 Soft Attachment Block - Double, Soft Attachment Single This is a 22 mmThe S20 Soft Attachment Double Block is a high quality, lightweight block with a low friction design. It features Acetal sheaves and ball bearings in stainless steel. Ideal for trim lines on smaller boats in racing conditions. Easy to install with lashing up to 4 mm. Ideal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired. Safe working Load: 150 kg Breaking Load: 300 kg Max line size: