5/16"AF open end for the front drum brake upper and lower adjuster and 7mm for current size rear bleed screw adjusting ends. Thread size of bleed screw still the same.
Fits Rear adjusters very tightly to stop the ends being rounded off. The spanner has just the right offset and length to make the job easy.
See also
BLM810 for original bleed screw 1/4"(6.2mm)