Ratchet Hex Crimping Tool is a high-quality, 8.7in tool that reduces hand fatigue with its ratcheting operation and contoured handle. This tool can crimp a variety of connectors and coaxial cables such as SMA, SMB, SMC, TNC, N-type, MCX, MMCX, RG-58, LL195, LMR195, RG59, RG-8X, RG-11, LMR400-75, RG-8, RG213, LL400, LL400 FLEX, LMR400, and LMR400 ULTRAFLEX. It offers six crimp sizes with Hex diameters ± 0.1 in Die (.043in (1.092mm), .068in (1.727mm), .1in (2.540mm), .137in (3.480mm), .213in (5.410mm), and .255in (6.477mm)). The tool's laminated steel construction ensures durability, and comes with a lifetime warranty.