PHYHOO | PHYHPP Professional Alloy Spring Compass Precision Jewelry DIY Tool Industrial Marking Gauge Drawing Divider for Engineering

Jewelry Spring Divider Compass ProtractorPrecision metal spring compass specially designed for jewelry layout, circle drawing and proportional marking, essential measuring tool for jewelry designers and metal crafters.⚡Product Core Advantages🔬Precision Spring Adjustment MechanismBuilt-in fine-tuning screw and spring structure, enables stable locking of any radius size without sliding during drawing, delivers consistent uniform circles and proportional lines for intricate jewelry patterns.🎯High Hardness Sharp Scribing TipsDual durable sharp metal points easily carve clear lines on wax plates, copper sheets, silver plates and metal drafting boards, no blurry or broken marks during layout work.🎯Compact Standard Size for Jewelry CraftTotal length reaches 110mm, maximum drawing radius up to 50mm, perfectly matched for small-sized ring, pendant and jewelry mold design layout, easy to hold for long-time detailed drawing.⚖️Full Metal Polished Durable BodyWhole polished metal construction with anti-rust surface treatment, sturdy and wear-resistant for frequent daily studio use, smooth surface without burrs.📐Multi-Scenario Layout FunctionSuitable for drawing standard circles, dividing equal arcs, measuring proportional spacing and marking angle outlines, meets all precision drafting demands of handmade jewelry.📏Basic Product SpecificationsProduct Type: Jewelry marking compass / divider protractorMax drawing radius: 50mmOverall length: 110mmSingle unit packing box dimension: 15 × 10 × 10 cmSelling unit: Sold as single individual pieceSuitable User Groups①Professional jewelers who need stable precision marking tools for daily jewelry production②Craft hobbyists looking to upgrade their jewelry drawing and layout toolkit③All crafters requiring durable, high-precision measuring and scribing equipment for metal & wax jewelry making