Dads Garage Wholesale Novelty Metal Wrench Sign W-157. Wholesale 17" x 5" Wrench Sign. Made of the highest quality aluminum for a weather resistant finish. It is lightweight and durable. Pre-drilled holes for quick and easy mounting. Add a ribbon, wire or string to instantly personalize your sign. Individually shrink-wrapped and proudly made in the USA. Most orders ship within 24-48 hours.