The Malone Paddle Gear 6" Canoe Foam Block serves up a great replacement when you finally adventure-out your old canoe block or want to DIY your own setup. This EVA foam block provides UV resistance and anti-tear strength, with a non-skid bottom for safe, bare-roof installation. The top cutout firmly grips the canoe gunnels, while the universal bottom cutout fits round, square, and most factory oval load bars. Weight: .1 lb. 6"L x 4.75"W x 3.75"H. Mfrs 1-year limited warranty.Manufacturer model #: MPG160. EVA foam UV-resistant Anti-tear strength Non-skid bottom High-grip top cutout Universal-fit bottom cutout