Rock Exotica Omni Block 1.5 Pulley Size:1.5" It is ideal for use

It is ideal for use with the Petzl Zigzag and Chicane too

a very hard wood

and easier aerial rescue should it really hit the fan

Major Axis: 30kN

Rock Exotica Omni Block 1.5 Pulley Size:1.5" It is ideal for useThe Omni Block combines a pulley with a swivel and offers tremendous advantages. It can replace a conventional pulley, carabiner and swivel and is lighter, less expensive and saves valuable vertical space. With the swing open side plate you can easily attach mid line! Weight: 9. 2 oz (256 gm)Rope diameter: 13 mmSheave diameter: 1. 5" (38 mm)Break strength: 36 kNWorking load: 8 kNHeight: 5. 3" (135 mm)Width: 2. 5" (63 mm)