*Diameter of seat:320MM, 

*Thickness of seat:60MM

*System resistance:106-109Ω；

*Without foot rest

*5-star foot:260mm radius electroplate steel or aluminum-alloy

*Height adjustable: 420MM-580MM (foot cup) 440-600mm(caster)

*High strength gas cylinder   

*Seat: PU foaming in round shape, with anti-slip ring to prevent the cloths sliding when worker sit down. 

*Caster: High-strength wear-resistant PA plastic, non-marking 

*with conductive metal chain