Check the listing for details. 104PC 2" Roll Lock Sanding Discs Die Grinder Quick Change Disc Set W/ 1/4 Holder. Condition: New. Listed at 19.25 USD. Feature:Quick Change Sanding Discs Set:This 2 inch sanding discs set come with 104pcs alumina discs red (40/60/80/120/180/240 10pcs each), zirconium corundum discs blue (60/80/120 5pcs each), non-woven discs (blue/yellow/red 5pcs each), vajra purple discs 2pcs, blue discs 2pcs, black discs 2pcs, fleece wheel discs 6pcs, pallet with rod 2setsUpgrade Materials:2 inch sanding disc attachments combine high-quality sanding grains(aluminum oxide/zirconium oxide/non-woven aluminum oxide/SiC/wool) , high toughness shank base, long last with high wear resistanceEasy to Use:Just twist it to connect or remove, convenient and efficient. When sanding disc is working, thread direction of disc is opposite to the force of friction, ensures steady working even in high speed.