NARVA A premium quality stainless steel cable tie tensioning tool that incorporates cutting blades in the tip which automatically & effortlessly cut the tie at the desired set tension. Ideal for both automotive & marine applications, the grips & blades are rated to cut over 4000 stainless steel cable ties, including 304 stainless steel & the Narva marine grade 316 type stainless steel ties. The tool is suitable for stainless steel cable ties up to 7.9mm wide and 0.3mm thick.