office chair caster 2-inch pu office chair wheel executive chair wheel thickened swivel chair circlip universal wheel silent wheel 办公椅脚轮2寸PU大班椅轮老板椅滑轮子加厚转椅卡簧万向轮静音轮

2-inch white liner [no brake]] 2-inch white liner [with brake]] 2-inch black-edged liner [no brake]] 2-inch black-edged liner [with brake]] please inquire and place an order-price and material quotation

circlip tablet thread teeth insertion pole straight grain