Simpson TWB12 T Wall Bracing Rolled Edges 11 Ft 4-In (Qty-15)Model No. TWB12 Gauge. 22 Length (in.) 11' 4" Coating Material. Galvannealed Packaging Qty. 15 This product will be shipped to you directly from Simpson Strong Tie The TWB is designed to resist racking during construction. This T shaped wall bracing features two rolled edges for extra strength and safety. The TWB is not designed to replace structural panel shearwall load carrying components. Key Features Prevents cosmetic damage, performance problems