DOP07-252 50 ' 5/16" OD Fuel Line is specially formulated gas and oil vinyl tubing made for use with lawnmowers, chain saws & snowmobiles, maintains air tight seal on fittings, translucent material resists swelling or hardening, highest quality fuel line available. Size: ID: 3/16" (.187") OD: 5/16" (.312") Length: 50'.