Dinghy Flip Up Launching Wheels Condition: Brand New Capacity: 250 lbs Material: Heavy duty lightweight industrial nylon * -Easy installation -Constructed from strong nylon * -Maintenance free; Self lubricating -3 Positions wheel locking by heavy duty spring -Anti-corroding lightweight material * -Stainless steel pins -Detail mounting instructions included -Sold in pairs * Note: Not intended for use on boats over 12 feet(3.66 meters) in length and/or exceeding 250 lbs(112.5 kg) total weight(including combined weight of boat, outboard motor, fuel tank and equipment).