9686 Stem Size: 2"-7/16" x 1-7/16" Features: -Office chair hooded ball stem caster.-Outstanding mobility.-Tough, long lasting die-cast metal alloy will stand up to hard use.-Self-lubricating.-For use on small sofas, upholstered chairs, TV stands, microwave carts, servers, and more.-Stem 82 (2" - 7/16" x 1-7/16"), Stem 87 (2"-3/8" x 1").-Package type: Carded.-Load capacity: 80 lbs. Construction: -Double race ball bearing construction. Color/Finish: -Color: Bright chrome. Dimensions: -2" - 7/16" x 1-7/16" Dimensions: 6.56" H x 4.63" W x 2.5" D.-2"-3/8" x 1" Dimensions: 6.56" H x 4.63" W x 2.25" D.