Yescom Automotive Fender Flares for 1999-2007 Ford F-250/ F-350 Super Duty 4pcs w/Rubber Seal Strip Flexible fender flares set for 1999-2007 FORD F-250 / F-350 SUPER DUTY Material: durable ABS plastic(not easy to crack or break) 4pcs set including front & rear, driver & passenger sides Marine-Grade Stainless Steel bolts Fender Flares need drilling required, professional installation needed