10″ Aluminum I Beam $76.95 Sold By The Foot. 10" Aluminum I Beam quantity Add To Order Form SKU: 4812 Category: Crossmembers **Price Is Per Foot** Related products 3″ X 3″ Straight Crossmember Aluminum 52″ $89.95 Part #:4426 Any Crossmember Under 58" Long. Add To Order Form McClain Frame To Crossbar Support $4.95 Part #:2332 Used With The 4 1/2" And 5 1/2" Tall I Beam. Add To Order Form 5 1/2″ Aluminum I Beam $23.95 Part #:216 Sold By The Foot. Add To Order Form 3″ X 3″ Straight Crossmember Aluminum 76″ $125.95 Part #:4427 Any Crossmember Over 76" Long. Add To Order Form