The new EZ Lift Rider Ramps make mower maintenance easy! Innovative design provides 6" lift with unobstructed access for fast blade removal, oil changes, and more Features include skid resistant feet and grip points for use on concrete or grass Compact hanging or stackable storage Lightweight for easy use and transport Made of durable, rust-proof materials. Holds 500 lbs. per pair. NOT for vehicle use. 11" x 16.50" x 30".