Important Remind: The velcro pad holder and cup wheel is 5/8"-11 thread. NOT M14. Important Remind: Velcro backers max capacity is 5000RPM. Please dont use it with high speed grinder / polisher. This auction/package carries (a)-(e): (a) 1 Piece of 5 Inch / 125mm Diamond Ultra High Segment (9mm High) Segmented Cutting blade for granite stone concrete quartz cement (inner hole diamter is 7/8" to 5/8"). blade color is random: red or yellow or silver. (b) 1 Piece of 1 3/8" (35 MM Diameter) Diamond core bit / Hole Saw for concrete stone granite quartz (with 5/8"-11 Thread arbor). (c) 32 Pieces of 4" / 100 MM Diamond Premium Grade DRY Polishing Pad for granite marble concrete: 6 X 50 100 200 400, 2 X Grit 800 1500 3000 Buff. And (d) 1 Piece of 4" / 4 Inch (Ultra Wide Segment) Turbo Row Grinding Cup Wheel for concrete stone. cup wheel color is random: red or black. And (e) 1 Piece of (5/8"-11 Thread) 4" Velcro Backer/Pad Holder. Important Remind: Velcro backers max capacity is 5000RPM. Please dont use it with high speed grinder / polisher.