This is the genuine mechanical brake knob for the 16REVO LTX-BF8. It has no noticeable scratches and is in generally clean condition. It may be possible to use it on other models as well. The part in the fourth image is a bonus. Although it is in good condition, it is still a used item, so please understand this before purchasing. Please use the 3N rule (no returns, no refunds, no exchanges). Please understand that we cannot provide compensation for accidents caused by the shipping company. Please complete the purchase process within 24 hours of purchase. We do not issue receipts. Please rate the item promptly after receiving it.