3″ X 3″ Straight Crossmember Aluminum 58″ 12″ Poly Keel Pad has been added to your order form. Checkout View Order Form $97.95 Any Crossmember Over 58″ Long. 3" X 3" Straight Crossmember Aluminum 58" quantity Add To Order Form SKU: 4223 Category: Crossmembers Related products 12″ Poly Keel Pad $15.95 Part #:1193 Fits 3" Wide Crossmembers. Add To Order Form 52″ Aluminum “V” Crossbar $99.95 Part #:4497 Fits Up To A 52" Wide Frame Width. Add To Order Form 8″ Aluminum I Beam $49.95 Part #:219 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