7 1/2″ Aluminum I Beam 10″ Aluminum I Beam has been added to your order form. Checkout View Order Form $32.95 Sold By The Foot. 7 1/2" Aluminum I Beam quantity Add To Order Form SKU: 218 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 8″ Aluminum I Beam $49.95 Part #:219 Sold By The Foot. Add To Order Form 12″ Poly Keel Pad $15.95 Part #:1193 Fits 3" Wide Crossmembers. Add To Order Form 58″ Aluminum “V” Crossbar $107.95 Part #:4813 Fits Up To A 58" Wide Frame Width. Add To Order Form