Knots At Work Book Rigging Blocks & Pulleys The D4 has a 240kg

The D4 has a 240kg (500lbs) Working load limit which means it is suitable for two-man rescue

In the prototype stage of development

this is a nice setup

14-1/5-inch (360 mm) blade length

They can be used as a swivel between two connectors

Knots At Work Book Rigging Blocks & Pulleys The D4 has a 240kgKnots At Work A Field Guide For The Modern Arborist No one ties knots more frequently and of such variety than those who work in the tree care profession. And in a profession such as this, only knots that are correctly tied and aptly applied every time will do. Anything less is likely to lead to a very short career! This latest book from Jeff Jepson covers 2 key areas, 1: Knowing how to correctly tie the knots, and 2: Knowing the right application for