Pulley on metal rod, plastics, SE

For experiments with movable or loose pulleys and simple pulley blocks, for the ‘simple machines’ sector;
Pulley with deep cord groove (which ensures a good hold of the cord), central bore with brass sleeve for low-friction, rotatable bearing on bearing bolts, holding bracket made of robust steel
Reel material: ABS plastic, red
Bracket material: nickel-plated steel
Diameter of the castor: 52 mm
Diameter of the bracket: 3 mm
Dimensions: 80 x 52 x 21 mm
Mass: approx. 9 g