PIUMA 22mm single composite swivel blockAll Viadana composite ball bearing blocks are extremely light and strong, making them perfect for use on dinghies and keelboats for a performance edge. All composite ball bearing blocks have composite cheeks, Delrin sheaves and twin race ball bearings, with stainless steel rivets, and include shackles as pictured. Specifications Max. sheave size: 22 mm (7 8") Max. line size: 6 mm (1 4") Overall height: 43mm (1 3 4") Breaking load: 450kg Max. working

Waypoints and routes

DWR (durable water repellent) coating on front of legs

- 4mm (5/32")

Made to survive the toughest conditions and wipeouts

The 60mm boat block from Allen features a pro ratchet with becket and cleat jammer

Viadana PIUMA 38mm single composite block

while large openings ventilate the inside and allow water to run off immediately

and a precision turned stainless steel sheave in a variety of great colours

Volume: 46 L

Fast Easy Blade Change

Additional grip and support for hiking

Comes with A