STR 870 - M CNC Router Tool Grinding Machine, and I’m thrilled! It sharpens TCT router bits with remarkable precision, delivering consistent, razor - sharp edges. The automatic operation is smooth and efficient, slashing our sharpening time drastically. Its sturdy build and intuitive interface make it easy to use, even for novices. The seller’s after - sales service is top - notch—quick responses and helpful technical support. This machine is a solid investment for any workshop, offering outstanding quality and value. A must - have for anyone dealing with router bits! Highly recommended.