BSS 18 kit slug optical fiber the blister can 'be used to ribs 6, 7, 8 mm wide and contains:

No. 1 rear sight slug green fiber optic (code ts029f) from the rib fissaere

No. 1 body viewfinder with screws from 2.6mm and 3mm

n ° 1 insert to the rib 6 mm

No. 1 insert rib 7 mm

n ° 1 insert to the rib 8 mm

No. 3 fiber optics (1 red, 1 green, 1 yellow)