Mercer 7-7/8" x 29-1/2" Premium Zirconia Floor Sanding Belt Description: These 7-7/8? x 29-1/2? Zirconia Floor Drum Sanding Belts feature highest quality Zirconia grains for increased durability with resin-on-resin bond to extend its lifetime. These drum floor sander belts have an extra heavy X-weight backing to allow for the most aggressive sanding and afford it a high degree of tear resistance. Finger joints are utilized in its construction to prevent any unwanted scratches and to give it bi-directional capability. Due to its outstanding durability, these zirconia floor drum sander belts are the most popular flooring abrasive and are an exceptional choice for heavy stock removal on hardwood floors. Common floor belt sanders used with these drum sanding belts include the Lagler-Hummel drum belt sander, the Prosand floor sander, and the Galaxy 2000 floor sander. Other Features: Bi-Directional - the belt can be run in either direction. Resin on resin bond for increased durability Finger joint to prevent unwanted scratches Extra heavy X-weight backing Suitable For: Hardwood Floors Width: 7-7/8? Length: 29-1/2? Grit: 24, 36, 40, 50, 60, 80, 100 Material: Zirconia Belt Backing Weight: X-Weight Use: Floor Belt Sanders such as a Hummel floor sander, Prosand belt sander, or a Galaxy 2000 drum belt sander Quantity: 1 Belt Per Order (description exceeds maximum possible length)