5 1/2″ Aluminum I Beam 12″ Poly Keel Pad has been added to your order form. Checkout View Order Form $23.95 Sold By The Foot. 5 1/2" Aluminum I Beam quantity Add To Order Form SKU: 216 Category: Crossmembers **Price Is Per Foot** Related products 3″ X 3″ Straight Crossmember Aluminum 80″ $130.95 Part #:4425 Any Crossmember Over 80" Long. Add To Order Form 52″ Aluminum “V” Crossbar $99.95 Part #:4497 Fits Up To A 52" Wide Frame Width. Add To Order Form 10″ Aluminum I Beam $76.95 Part #:4812 Sold By The Foot. Add To Order Form 58″ Aluminum “V” Crossbar $107.95 Part #:4813 Fits Up To A 58" Wide Frame Width. Add To Order Form