Upgrade your Toro lawn mower with the Toro 137-3952 bristle refill kit. This genuine Toro product is designed to fit perfectly and easily replace old or damaged bristles. Enhance the performance of your mower with these high-quality bristles that are specifically designed for the Toro brand. Say hello to a better mowing experience with the Toro 137-3952 bristle refill kit. Keep your lawn looking its best without the hassle of constantly replacing worn-out parts. Trust in the reliability and durability of Toro products and enjoy a more efficient mowing process. Upgrade today and see the difference for yourself.