Size：2200mm x 28mm,net
Aeight: 20kg±1%
Color:black
Material: high grade spring steel
Surface treatment: All Black HardChrome
Sleeve: 8NK/10NK needle bearing +2 stainless steel bushing + tail screw cover
IWF standard knurling, p1.2mm
Pattern depth 0.25-0.35mm
Tensile strength：190-200KPSI
Maximum load：1500LBS/2000LBS
