UNIVERSAL STEM DIAMETER:The office chair casters fits 99% of all standard stem 2 inches (5-wheel base) office chairs, Made of soft premium material for quiet rolling to protect floors. Not for IKEA chairs. Stem size of 7/16" in diameter and 7/8" in length. 2 inch caster. HEAVY-DUTY SOLID STEEL SET OF 5 CASTERs: Durabile for many years and Supports up to a capacity of 300 lbs. 360 DEGREE SWIVEL, QUITE AND SMOOTH : Upper and lower bearings for easy swivel. Dual Precision Double wheel ball bearings in the caster. APPLICATION: Excellent to protect hardwood, tile, slate, laminate and good for all flooring for smooth rolling. Avoid for thick carpets. SIMPLE INSTALLTION: Simply Pull Off old casters and insert firmly the new casters and make sure they are be secured. (no tools needed)
