GA-3 Green Ace Gold, knee-padless type, 25 pieces, abrasive grit 36 BF. - Model: GA-3 - Type: Knee-padless type - Quantity: 25 pieces - Size: 100x3x15mm - Grit: 36 BF Grinder Sander Grinding wheel Thank you for viewing. I am selling this as a clearance item as I have not had the opportunity to use it and it has been stored at home. The outer box is not in very good condition as you can see in the photos, but the grinding wheel is new and unused.