This kit comes with everything you need to tie one kayak to the top of almost any vehicle with or without a rack. 

It includes:

• (2) 18" extra tall non-skid blocks
• (1) 15' heavy duty utility strap
• (2) 18' bow & stern tie-down straps
• (2) 9' block straps
• (4) bumper hooks
• Includes reusable mesh bag with printed instructions