IJO2136 Features: * Plastic creeper * Bigger wheels for a better ride * Our popular plastic creepers are now available with larger, 4"" pop-in urethane wheels * Larger wheels provide a much smoother ride on cracked or uneven floor surfaces, over floor debris and under heavy loads * Also rolls better on regular floor surfaces * Creeper body is the same as our low profile plastic creeper models creeper in red, creeper in yellow and creeper in blue