Features: NAIERDI – Hardware Leader 100%High Quality White Nylon PP material Wheel Tyre Double ball bearing swivel head Superior mechanical Universal casters Quiet, Wear-resisting Handiness, Shock absorption Would not scratch the floor Ideal for various uses and place Specifications: Wheel Type : White Nylon, Dual roller bearing Material: White Nylon PP Material And Steel Load bearing: 10kg (each) Dimension Details: Overall Height: 33mm Wheel Diameter: 21mm ( approx : 1 inch) Wheel Width: 14mm Fixing Plate Size: 38 x 32mm Hole Diameter: 4mm Installment Holes spacing: 30 x 23mm Package included: 4 x Double ball bearing swivel head 
