Upgrade your concrete finishing game with our 8" x 14" Poly Combination Power Trowel Blades. Designed specifically to prevent burnish marks and provide even coverage, these white UHMW blades are a durable and efficient choice for walk-behind power trowel machines. With four blades per pack, you can tackle projects without the hassle of changing blades. Compatible with most 36" machines. Not for use with float pans.