uxcell Trolley 2" Round 360 Degree Rotation 2 Swivel 2 Fixed Caster Set Product Name : Caster Wheel;Material : PU, Metal Color : Black;Wheel Size : 50 x 24mm / 2" x 1" (D*T) Screw Holes Distance : 55 x 35mm / 2.2" x 1.4" (L*W);Hole Size : 11 x 8mm/0.4" x 0.3" (L*W) Top Plate Size : Swivel:70 x 50x 2mm/ 2.8" x 2" x 0.08" (L*W*T)Fixed: 70 x 55 x 2mm/ 2.8" x 2.2" x 0.08"(L*W*T);Total Height : 70mm /2.8" Weight : 865g;Package Content : 2 x Swivel Caster Wheel2 X Fixed Caster Wheel