Upgrade your floor grinding game with the Power Trowel Holder w/Stone Attachment, designed to fit machines up to 36 inches. This pack of four grinding stone holders is made of durable steel and comes with #6 grit grinding stones (SK320) that can be rotated for even wear, ensuring a longer lifespan. The stone is replaceable, so you can keep your equipment working like new. Proudly made in the USA, these holders bolt to the blade arm for secure attachment and connect power trowels to floor grinders for improved grinding efficiency. Take your flooring projects to the next level with the Power Trowel Holder w/Stone Attachment. Ships in 2 boxes.