it's total 15pcs. includes: 1. maroon cutting pad 1in, 2in, 3inch, 1pc for each. 2. yellow polishing pad 1in, 2in, 3inch, 1pc for each. 3. black finishing pad 1in, 2in, 3inch, 1pc for each. 4. backing plate 1in, 2in, 3inch, 1pc for each. 5. 1pc of 3" adaptor, M14 thread. 6. 1pc of long adaptor 10cm 7. 1pc of long adaptor 12cm