[DETAIL] Brand New Product: Office Chair Wheels Size: Please check the options picture Material: Steel + Plastic Installation way: Click-in Type Styles: Simple/ European / Classical . Fit for: Universally all office chair (Click-in) Feature: 360 Degree Rotatable,Easy-installing, Floor-protective,Ergonomic Design,Smooth Operation,Easy-gliding and Swivel Package Includes: 5 x Chair Wheels Features: High quality office chair rubber caster wheel Universally fit all office chair bases with mounting holes Twin wheel design enhances weight distribution and smooth operation, ease to glide and swivel Swivel and roll freely and more quietly in every direction with no need for maintenance Soft roll rubber wheel surface guaranteed to leave no mark on carpets or any kind of natural and engineered wood floor, tile floor, specialty floor, and smooth concrete/asphalt floor Note: 1. There is a 2-3% difference according to manual measurement. Please check the size carefully before you buy the item. 2. Please note that a slight color difference should be acceptable due to the light and screen. [ATTRIBUTES] - Hign-concerned Chemical: None - Model Number: Office Chair Wheels - Origin: Mainland China - Hign-concerned Chemical: None - Model Number: Office Chair Wheels - Origin: Mainland China - Type: Furniture Caster - Certification: None