This is the best quality pin wrench for easy adjustment of camshaft spur belts(toothed belt) on idler pulleys with pin holes.

This wrench with its protruding pins, grabs the center of the idler pulley and rotates around the off center retaining bolt allowing for easy belt tension adjustment,tension pulleys on 4 cylinder Golf,Jetta,Passat and Corrado,Audi 80.

Double Pin Wrench special steel, burnished,for idler pulley on toothed belt, distance of pins 18mm diameter of pins 2.9mm for deep located idler pulley on toothed belt on1,6 I diesel engine VW van T3(up to model 1991).