Mandrel - wikipedia, free encyclopedia, A mandrel (also mandril or arbor) is one of the following: an object used to shape machined, or electroformed, work. a tool component that grips or clamps materials. Setting bench - youtube, Mark nelson describes how any jeweler of any level can set up a great bench filled with just the right tools for the job. shop everything you see in this. Bench centre - digital measuring instruments, universal, Bench centre - manufacturers and exporters of digital measuring instruments, precision measuring instruments, bench centre, universal bench centre, cast iron bench.