External guide roller with plate size 50

made of nylon
dimension a1: 65 mm
dimension a2: 75 mm
dimension b: 60 mm
dimension d: 50 mm
dimension d1: 13 mm
dimension d2: 8,5 mm
dimension h: 77 mm
dimension l: 82 mm
dimension s: 5 mm

Fits for drive size 5