Brand new and high quality, we offer 100% new and high quality hair clipper combs to replace your old combs. Cutting length: 3-21mm. Select and lock in the desired length from a versatile range of possible lengths. Compatible: Designed for QC5010 QC5050 QC5053 QC5070 QC5090. Any problem with the model, please feel free to contact us. Save your money: instead of buying a new hair clipper, get a hair clipper comb guard for good performance. Product Description Poweka for Clipper Comb , 3-21mm We produce and sell high quality combs for the trimmer. This replacement part fits for QC5010 QC5050 QC5053 QC5070 QC5090. Grab one for your trimmer and replace your old combs for a great experience. Clean the mower before installation. It's easy to attach and detach. If you have any questions, please don't hesitate to contact us by clicking "Ask a question".