The Lindstrom RX8148 RX-Series Ultra Flush remains the leader in ultimate performance, precision and comfort. All RX-Series cutters are designed with a slightly rounded and wide profile which create exellent surface distribution and contact. The RX8148 features ESD Safe Grips which address static dissipation and EMI/RFI Shielding. Lindstrom's RX-Series cutters also feature the patented BioSpring®. This BioSpring provides the user the ability to adjust the tension to suit their preference via three different ports. The RX8148 is made of 1% Carbon/Chrome Ball Bearing Grade Steel which is ideal for high stress applications. It is impact resistant and resilienncy with smoother, cleaner penetration at the cutting edg and also has a 63-65 HRC Cutting Edge which results in a longer lasting tool.