brass copper: 60*25*12cm
Bearing type: 688 (zirconia ceramic bearing, or ceramic ball bearing)
Bearing size: 8*16*5mm
Packing: flannel bag
Precision CNC machining integrated molding, size control within a single wire (100 filaments =1 mm)
The bearing can be removed and replaced without glue
Weight: 50 grams of copper brass section.