Traditional galvanised dog chain with loop-and-toggle attachment system - proven over 80 years. The new idea these chains do have is a swivel thing in the middle, to stop any tangles.
Galvanised snap hook. Handy chain to attach on anything up to 8cm diameter. ´Tested´ is tested breakage point.
Small 1.9m x 2.6mm Tested 150kg
Medium 2.3m x 3.2mm Tested 300kg
Large 2.5m x 3.8mm Tested 350kg