Spiral bands sleeves are the best product for rapid blending, finishing and polishing of curved, contoured and hard to reach areas. Runs smoothly and is chatter free when in operation. The no lap construction provides a clean finish without leaving marks on the surface. Our spiral bands are easy to remove and replace when used on a balanced rubber expanding drum.These quality cloth-backed aluminum oxide sleeves are perfect for all your drum sanding needs. Stock up and save when buying in quantity. Made in the USA.