SPECS: Load Capacity: 2 boats - 75 lb. max. weight limit per boat Compatible with most load bars up to 1.5" tall x 3.5" wide (use 75mm bolts provided) Dimensions (folded): 19.5" x 8.5" x 3.5" Dimensions (deployed): 19.5" x 8.5" x 14" Weight: 14.5 lb FEATURES: Corrosion-resistant coated steel Heavy-duty molded parts Thick over-sized padding Carries a single recreational or touring kayak on its side or 2 vertically stacked kayaks plus a canoe or large sit-on-top kayak and SUP Whats Included: (2) Fold-Down Carriers (2) MultiRack Extension Modules (16) M6 x 1mm zinc coated 60mm Mounting Bolts (16) M6 x 1mm zinc coated 75mm Mounting Bolts (16) M6 T-Knobs (8) Universal Mounting Brackets (2) SUP Foam Blocks (4) 11' Cam Buckle Load Straps (4) Bow and Stern Safety Lines w/ S-Hooks (1) Instruction Manual