15mm Steel ball casters on 1mm thick steel plate created from machine stamping. Can carry a much as 15 kg load. Exquisite workmanship, strong and lightweight, this caster is 30mm high round body, with a total weight of just 37g. Large steel ball is wrap around with as many as 40 small steel balls, making the main scroll ball rotation very smooth.
General Specifications
Fixed hole: 4mm
Fixed hole center distance: 40mm
Round body overall height: 20mm
Steel ball diameter: 15mm
The number of small steel ball : 40
Caster Weight: 37g
Load capacity: 15kg