6" x 14" Power Trowel Finish Blade Gold thick and rugged blade is 50% thicker and will last 50% longer with fewer blade changes. Made to precise specifications for extended life and best performance with fewer blade changes. The gold finish blade is used at high speeds at a slight angle to create a strong, hard, shiny surface. The 14" x 6" gold blade fits most 36" machines. Trowel Machine Blades for sale in 4-Pack.