This 6" canoe foam block fits round or square roof rack bars. If you don't have a roof rack, use these foam blocks right on the top of your car when loading canoes or kayaks.

Features:

• Long lasting high density
• Padding for your kayak or canoe gunwales
• Protect your roof
• Reduces lateral movement

Specifications:

• Dimensions: 6 x 3 1/16 x 3 7/8 in