Kaschper Double Sculls and Double/Pair Convertibles are available in three models: Custom, International, and Extreme. All boats are created with various carbons, honeycomb cores, kevlar, and other materials in layered processes. All are high temperature oven cured. All lightweight aluminum components are hard coat anodyzed for protection in salt water. Hardware includes stainless steel oarlock pins, bolts, nuts, etc. Photos, specifications, contacts, and purchase information are available on our web site: .www.kaschper.com