Woodtek 105726, 4-pack, Hardware, Casters And Glides, Institutional, 4" Swivel Casters-Double Locking Put your shop on wheels. Specifications: Dynamic Load=300 lbs, Finish=CLEAR-ZINC, Height=5-1/8 in Specifications: Mounting Hole Size=7/16 in, Mounting Plate Length=3-5/8 in, Mounting Plate Width=3 in Specifications: Style=DOUBLE LOCK, Swivel=SWIVEL, Wheel Diameter=4 in