Rannb Chair Caster Wheels Threaded Stem Casters Swivel Casters - 4pcs

Specification Style : 360 Rotaion Install Type: Threaded Stem Load Capacity: 20kg/44lb Please Note: Each caster capacity is 20kg, total capacity for all 4 casters is 60kg (calculated by 3 casters ). Because when the ground is uneven, sometimes there will be only 3 casters bearing weight. Dimension Wheel Dia:39mm/1.53" Wheel Thick:16.5mm/0.65" Thread Dia:8mm/5/16" Total Length:68mm/2.67" Thread Length: 15mm/0.59" ? Our Promise ? Refund is guaranteed if the product you received has any quality problem. ? Welcome to Contact Us ? Your satisfation is our first priority. Rannb aims to provide our customers a happy shopping experience and completed After Sale Service. If you have any question to product, please feel free to contact us.