Forged head with heat treatment through induction of working surfaces (54 HRC). Finely polished working parts. Epoxy powder coating applied using an electrostatic process, followed by baking. Forged in a die and precision ground. Carefully hardened and properly tempered. Cleanly painted and rust-protected through powder coating. The rail and pin are artisanally finely ground. With a double-curved hickory handle and nickel-plated impact protection sleeve. Hickory handle: high-density hardwood, suitable for intensive or frequent use. The nozzle is produced by a hydraulic machine, with a tension sensor measuring the performance of the nozzle on each product, followed by a pressure sensor controlling the resin installation.