Heavy-duty 6" x 10-1/2" power trowel finish blade is designed to provide even coverage when using ride-on or walk-behind concrete power troweler machines. The blade has a bar mount and made of heavy-duty steel with exacting specifications for a superior blade performance. The hard thick steel cuts down on blade changes on the job creating a longer life and greater performance than standard blades. The finish blade is used at high speeds at a slight angle to create a strong, hard, shiny surface. The 6" x 10-1/2" blade fits 30" Allen, Bartell trowel machines. Pack Of 4.