Pulley, set (4 pieces), plastics, SE

For experiments on the fixed pulley (deflection pulley), the movable or loose pulley, the single pulley block and also for the compound or double pulley block, for the area of ‘’simple machines‘’;
the set consists of:
1 x P1230-3B2 pulley SE, red
1 x P1230-3B3 pulley SE, blue
1 x P1230-3A pulley on metal rod, plastics, SE
1 x P1230-3BD pulley double with rod, SE (spare)
Dimensions: 110 x 80 x 40 mm
Weight: approx. 32 g