The Stinger Load Assist Module attaches to your existing SeaWing Kayak Carrier to create a great transport system that will protect your vehicle and safely load a kayak. Each module includes the Extension Frame, Mounting Plate, V-Block and Mounting Hardware. Installs in minutes with no special tools. The padded Frame extends nearly 22" and works well with most vehicles. Includes Assembly Instructions and Lifetime Limited Warranty.Features:Retractable loading frame (extends over 21")Integrated V-block to align the kayakPadded mounting plate to protect the vehicleCorrosion resistant polycarbon construction70mm mounting bolts (fits most vehicles)Simple "no tools" installationLifetime Limited WarrantySpecifications:Weight: 4.6 lbLength: 24"Width: 10.5"Height: 4"Load Capacity: 75 lbWhat's In The Box:(1) Stinger Extension Frame(1) Stinger Mounting Plate(1) Stinger V-Block(1) Stinger Hardware Kit(1) Instruction Manual