SakerNeo Fractal Vise, Mini Vise Clamp, Self-Adjusting Drill Press Orange. Precision-Machined Aluminum Build: Our fractal mini vise uses an aerospace-grade aluminum alloy body with CNC-machined surfaces and stainless hardware to resist flex and deformation, helping this precision vise stay accurate through repeated use in DIY, hobby machining, and light woodworking projects.