For the electricians and linemen out there – this Greenlee KD12-36 U-Style Die (which matches the Burndy number U-654) is a crucial piece of tooling for your 12-ton crimping tools. It's specifically designed for crimping service entrance connectors, C-taps, H-taps, and various overhead and underground electrical connectors. It's made in the USA by Greenlee, a trusted name in professional tools, so you know it's built to last and deliver consistent, reliable crimps. This die is compatible with several Greenlee 12-ton crimper models, including the EK1230, EK1240, HK1230, HK1240, RK1230, RK1240, HKL1230, and the E12CCX. It also works with the RK1550 if you have the 48802 die adapter. Having the right die is essential for creating secure, code-compliant connections that won't fail. If you're working on residential service panels, underground splices, or overhead line taps, this U-die is probably on your required list. It's a professional-grade accessory for serious electrical work.