Wiseman Threading Tools Hand Tap - Taper Lead Tap - +0.015 Tolerance - M27x3Meet the Wiseman Threading Tools Hand Tap a precision taper lead tap engineered for clean, accurate internal threads by hand. Sized for M27x3 with a +0. 015 tolerance, this tapping tool consistently delivers tight fits and dependable engagement, turning what used to be a tricky task into a smooth, repeatable process. Built from durable materials, its designed to withstand the rigors of real world workshop use and keep performing project after project.