Galvanised steel roof hooks

Roof safety hooks to DIN EN 517 · At least two roof safety hooks are needed in staggered arrangement to ensure secure fastening. For ladders up to 4.20 m in length, two load-bearing roof safety hooks are needed. · For each additional ladder section of 2.00 / 2.80 m in length, one extra hook is required, for a length of 4.20 m, two extra hooks will be needed.