Gedore combination spanner 7 din3113 a 21 mm offset ring side 15 c pack of 1 6092180
acc to din 3113 form a iso 3318 iso 7738 only metric sizes ring 15 offset from shaft shaft in girder pattern sizes 3 to 5 5 with hexagon ring up from size 6 with ud profile gedore vanadium steel 31cr v3 chrome plated polished rings not standardised