10 Pairs Satin Stainless Steel 4" Fire Rated Ball Bearing Hinges Class 13
Performance rated to BS EN 1935 Grade 13 (tested to 200000 cycles) Fire tested to BS EN 1634-1; 2000 FD 30 & FD 60 for timber door sets, & FD 240 for steel door sets Suitable for up to 100kg door weight.