We do not issue receipts. Please refrain from purchasing if you tend to be slow in providing feedback or do not provide feedback at all. To prevent any issues, we may cancel transactions with users who have low ratings or are new to trading. As this is a used item, we do not accept returns or claims. Please refrain from price negotiations. The commutator section of the armature, where it doesn't contact the carbon brushes, measures 21.8mm. Where it does contact, it measures 21.3mm. There is 0.5mm of wear in diameter. Remaining carbon brush length is 11.3mm. The remaining length measurement is to show how much the brush has worn from new. It is not the wear limit. The wear limit is approximately 6.3mm. A new carbon brush is 15.8mm. It has worn 4.5mm. I believe the usage time is short. Forward rotation, reverse rotation, and concrete drilling have been confirmed. Drilled four 10φ holes, 40mm deep. Disassembled and cleaned. Grease has been replaced. Lithium grease is used. The Makita AVT lettering has been painted with a paint marker. The photos of the grease replacement and cleaning are examples of the work done and are not photos of this specific drill. The same work has been done. There is a feeling of use. There are scratches and dirt. Please purchase only if you are satisfied with the condition.