Features:▶ Spring loaded design--Allow gates to open and shut freely by way of automatically adjusting peak on choppy ground while getting rid of gate sag.▶ Heavy obligation caster--The wheel has a maximum load ability of 220lbs and may also face up to publicity to chemical substances and solvents.▶ Shock absorbtion--Easy to head and roll, make opening and closing gate easy. Weight: Approx.1034g/ 36.5oz.▶ Material--This gate wheel is fabricated from top class rubber materials and steel construction, durable and durable.▶ Easy to install--Heavy duty common mounting plate with four holes to simply connect to wooden gates or alongside horizontal or vertical rails of a tubular farm gate.▶ The wheels can carry two hundred pounds, and the spring springs around 60 pounds. Specification:Name: four inch spring wheelMaterial: Rubber + MetalSteering: swivel castorsCaster diameter: 100mm / 4inUses: furnishings castersLoad capacity: Max.100kg / 220lbsScope of application: Spring wheel for doorPacking included:1 * four Inch Spring DoorNote:1. Please enable 1-3cm (0.4-1.18") difference thanks to guide size and slight color variation for various exhibit setting.2. Due to the sunshine and display screen difference, the item's coloration may be slightly diverse from the pictures. Please understand.