Details Renusol : 420155VarioSole stainless steel roof hook for slate tile roof applications (previously 920005). Dimensions: 250x30x138mm. Space for vertical adjustment: 24.5mm. Maximum load: pressure 490 N, tension 490 N, shear 280 N. Compatible with 400081, 400011, 400094, 430009, 490018, 900138 & 900163. Kit Comprises: 1 x Roof hook for slate tiles 1 x Hammerhead bolt M8 x 25 1 x Hexagon nut with serration DIN6923 - M8 A2-70 Key Features: Full pre-assembled Frictional connection due to serration