roller stand, ball stand, roller ball stand, working table, accessory 01) Diamter of roller (mm):5202) Operation height max /min(mm):580-97003) N.w/g.w(kgs):15.6/16.604) Max holding weight(kgs):20005) Measurement(cm):51.5x51.5x9.5 W62-HRS52V HEAVY DUSTY ROLLER STAND