Can be used with all standard H3 valves

Dimensions: 54''x6''3

Large: 16" - 18"

8 watts: Can be heard in a 1000-foot range

Wheeleez Inc Kayak Cart-Mini with Tuff-Tires YGroup_5671550976168 Can be used with allThe Kayak Cart Mini equipped with indestructible Tuff Tires will never go flat. Compact, collapsible aluminum frame is marine grade anodized, after fabrication. High Quality Material Detachable 20 cm "Tuff Tire" foam wheels will never go flat. Compact frame folds to fit into most hatches. Stainless Steel hardware. Soft foam bumpers to protect your boat hull. Single kickstand to assist boat loading. Payload capacity: 55 kg (121 lbs) Dimensions Folded