The working load limit on a sling applies to a straight vertical pull. The moment the sling is used at an angle, choked round a load or basketed under it, the load in the webbing changes and the safe figure changes with it. Reading the limit as a fixed capacity is where slings get overloaded. It is also why a sling is chosen for the lift being made rather than kept as a general purpose item.
Web width rises with the rating for a simple reason: more webbing carries more load. The three ratings here are 1 tonne at 50mm, 2 tonne at 60mm and 3 tonne at 90mm, which means width is a visible check that the right sling has been picked up off the rack.
Length is chosen against the height of the lift and the angle of the legs. A sling that is too short forces a steep angle between the legs, which increases the load in each one. Lengths here run 1, 2, 3, 4 and 5 metres so the angle can be kept sensible. The Sealey sling and eye estate runs alongside the Draper wide web ladder at the same ratings.
Wide web slings spread the load across the surface rather than cutting into it, which matters on a painted or soft-edged item. Slings are inspected before use and taken out of service when damaged, and no repair is possible. Questions go over WhatsApp on 07754288583 with the load and the lift.
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