Check the listing for details. Speare Ultimate 90 Corner Sander Replacement Pad Set MEDIUM GRIT (2 Pack). Condition: New. Listed at 18.99 USD. 2-Pack MEDIUM GRIT replacement sponges for Speare Ultimate 90 Drywall Sanding SystemThe Speare Detailer Sponge is used with the Ultimate 90 sanding tool. Features a hook and look design that is easily removed from the sanding tool. 4 ½" x 10" (114 x 254mm)Medium Grit Al's Taping Tools is the Largest Drywall Tool Store in the World! We are also a fully equipped automatic drywall tool service center with over 30 years in the industry. We sell and service all major brands of automatic drywall tools. All of our service techs are also fully trained in the operation of the tools that we sell and service. So if you are new to automatic drywall tools or have any questions, please give us a call or send us a message. We are here to help. Al's Taping Tools & Spray Equipment815 Tower DriveMedina, MN 55340