The Facom Resistorx TT25 is a specialized driver bit from Facom's Resistorx series, designed for torque-limiting screwdriving applications in precision assembly and electrical work. This bit features a proprietary Resistorx tip geometry that prevents cam-out and ensures consistent torque delivery. Verify that the TT25 size matches your specific fastener requirements and that your driver handle is compatible with Facom's bit interface standard.