Compass,plastic, for Blackboard, 45cm

Compass for blackboard, 40cm long, hard white plastic, with sturdy metal butterfly screw for adjusting tightness by hand. Interchangeable suction foot and compass point in soft plastic. Holder with convenient mechanism that is adjustable for round and square chalk. 

Weight/Volume/Dimensions:
Estimated volume: 0.82cdm
Estimated weight: 0.227kg