5/8" O.D. Round Socket x 7/16" I.D. x 1-5/8" Long under from under Flange

5/8" O.D. Round Socket x 7/16" I.D. x 1-5/8" Long under from under Flange Fits 7/16" Grip Ring Stem Casters. Outer Diameter: 5/8" Inner Diameter: 7/16" Socket length under flange: 1-5/8"Depth of Hole: 1-11/16" Material: PlasticFor use in Tubing Type: RoundFits Stem Type: 7/16" Diameter x 1-3/8" Long Grip Ring Stem