TMS Kayak-Cart-KY003B Aluminum Sit on Top Kayak Canoe Scupper Cart Dolly Wagon Carrier Trolley Wheels Brand New Scupper Kayak Cart Designed to fit kayaks with scupper holes at least 3/4&quot; in diameter Strengthen rubber grip to prevent scratching your kayak Plastic connector strength the cart 10 inch terrain tires for easy hauling Fixed wheel shaft, safe pin can't missed Adjuster screw with nylon head Carries 100 lbs. Light weight and easy to use Please check measurements below before purchase