Check the listing for details. Tool Aid 94730 7" Phenolic Backing Disc. Condition: New. Listed at 20.61 USD. Tool Aid 94730 7" Phenolic Backing Disc The Tool Aid 94730 is a 7-inch phenolic backing disc designed for sanding and grinding tasks. Its lightweight and flexible for user comfort, but discs can be combined for additional rigidity on tougher jobs. The disc features a molded depressed center hole measuring 7/8 inches in diameter and has a maximum safe speed of 15,000 RPM. This disc is a versatile option for a variety of sanding and grinding applications. Features: Ideal for sanding and grinding work Lightweight and flexible for easy maneuverability Discs can be combined for increased rigidity 7/8" I.D. molded depressed center hole for secure attachment Maximum speed of 15,000 RPM for efficient material removal Specifications: Attachment Type: Arbor Disc Diameter: 7 Inch Maximum Speed: 15000 RPM Center Hole Size: 7/8 Inch Steel Abrasive Material: Phenolic Color: Bronze Order Part Number: SG94730 Item Description: 7" Phenolic Backing Disc Manufacturer: Tool Aid Country of Origin: TW Harmonization Code: 84679200 Default Selling Unit: EA