Description. KT edge sander. Uses 180mm discs. Very powerful edge sander from Kunzle Tasin (Bona) Machine is in good condition and perfect working order. Comes with a selection of sanding discs. Shipping Collection. Payment Cash. 4 product ratings. - CLARKE EZ-8 EZ8 8 WALK BEHIND FLOOR EXPANDABLE DRUM SANDER Runs Smooth. $1,350.00. Trending at $1,425.00. Trending price is based on prices over last 90 days.