An extended straight handpiece tailored for labs and prosthetics trimming, compatible with Micro-Series motors, with a 1:1 ratio and removable external irrigation nosecone for prophy and polishing options. It delivers speeds of 100-40,000 rpm and torque of 0.4-3.5 Ncm at a low 55 dBa noise level, weighing 82g, and accepts HP-type burs (Ø 2.35 mm shank) for specialized tasks.