Schioppa GL 512 SPE G L12 Series 5" x 1-1/4" Diameter Swivel Caster with Total Lock Brake, Non-Marking Extra Soft Thermoplastic Rubber Precision Ball Bearing Wheel, Plate 3-1/8" x 4-1/8" (Bolt Holes 3-1/8" x 2-1/4"), 250 lb