[ Size and Material ] 2'' swivel plate caster wheels suit for moving small furnitures. Including top plate part,the maximum height of all these 4pcs wheels is 2.1 inches or 53mm. The swivel wheel's diameter is 2 inches or 50mm. The square top plate of each wheel is 1.5 inches or 38mm. The matched screw's head diameter is 0.28 inch or 7mm,height is 0.63 inch or 16mm. These 2 inches swivel plate casters are made of ABS and metal. These included caster screws are made of stainless steel. [ Loading Capacity ] A set of 4pcs furniture wheels can hold upto 110Lb. For some special case like a single small plant tray,3pcs will be enough too. Loading weight for 3pcs of our 2'' furniture wheels will be 66Lb. For loaded weight bigger than 110Lb,please use more quantity than 4pcs wheels to hold the stuff well. [ Applications ] These 2 inches furniture wheels are top plate mounted universal replacement casters. They can be firmly installed with screws to attach under the bottom of wooden furniture,such as rolling drawers,coffee tables,file cabinets,kitchen shelves, beds,planting trays,workbenches,including dry and damp locations. After installing these 360 degrees rolling casters,you can move furniture everywhere effortlessly than before. These locking casters can also support furniture steadily. [ Warm Reminders ] These 2 inch plate caster wheels are not kid's toys,please keep them away from children untill they are well installed.