These non-puncture wheels have 500 lbs. weight capacity per wheel and handle the toughest terrains & conditions Each 1 Kit includes: -2 Wheels -2 Spindles Perfect for building a trailer or cart for use in: Hunting Fishing Outdoor recreation Farming Garden Industrial Shops Commercial Carts NOT FOR ROADWAY OR HIGH SPEED USAGE Specifications Features: Puncture-proof solid rubber tires (1.62" wide) 20" diameter wheels Spindle to fit 1" square tubing of 1/16" thickness Wheel hub fits 5/8 inch (or 16mm) axle. Load capacity 500 lbs. per wheel Use for indoor/outdoor purposes Color: Black Metal Materials: Galvanized Steel on all surfaces (Rim is chromed) Hub Type: Double-crossed spokes, AWG #6 gauge, steel nipples