Pre-tied Wire with Attached Red Head Trubolt Wedge Anchor This Red Head Trubolt Wedge Anchor is pre-tied to 12-gauge wire for easier installation of suspended ceilings and fixtures. SKU: TWW12G-L Related Products: Loop with Pig Tail Pre-tied Wire with Attached Z Purlin Clip Pre-tied Wire with Attached Ramset 3/4″ Angle Clip and Pin