Home Towing & Transportation Trailering Brackets & Mounts Packaged Bolster Brackets (12”) Marpac Packaged Bolster Brackets (12”) $25.89 Packaged Bolster Brackets (12”) quantity Add to cart Product Details Product Details Length 12″. Slot Length 4-3/4″. Heavy 11 gauge hot dipped galvanized steel. Slotted for vertical adjustment and feature nonslip dimples to avoid movement and increase load capacity. Sold 2 per package with swivel brackets.
