The foam Stacker Block holds the kayak in place during loading and cushions the kayak during transport so that it does not rest on the cross bar.

Features:

• Two 8" foam blocks protect kayak (even high end composite boats) by cushioning the kayak so that it does not rest directly on the cross bar
• Blocks allow boat to stay in place and not slip during loading and strap down
• Blocks conform to round, square or factory oval cross bars
• Two 12' tie down straps secure kayak to foam blocks

Specifications:

• Capacity: 70 to 80 lb kayak
• Dimensions: 4" x 8" EVA closed cell foam blocks