Precision Flex Angle & Arc Marking Tool – Adjustable Dual-Purpose Scriber For Metalworking & Engineering

90° Square Tube Arc & Angle Scriber: Dual - Use Parallel Lines & Arcs (M: 20–80mm / L: 20–100mm)This dual - use scriber simplifies the marking of 90° angles, arcs, and parallel lines on square tubes, enhancing workflow efficiency.Specifications:Models: M: Designed for square tubes of 20–80mm (0.79–3.15"). L: Suitable for tubes of 20–100mm (0.79–3.94"), expanded compatibility.Material: Made of stainless steel, it offers rust resistance, durability, and clear laser - engraved markings.Functional Highlights:Arc Marking: Provides both front and reverse lofting arcs for curved cuts.90° Angles: Allows for precise right - angle scribing for square tube bends.Parallel Lines: Has vertical line cutouts for uniform spacing.Hexagon Holes: Comes with multi - size hexagonal templates for drilling.Usage Scenarios: Suitable for metal fabrication shops, plumbing installations, and DIY metal projects. It streamlines accurate marking for welding, cutting, or assembling square tubes. Operation Method:Model Choice: Select the M model (20–80mm) or the L model (20–100mm) based on the tube size.Tool Alignment: Place the scriber on the square tube and ensure proper alignment.Tube Marking: Use a marker to trace through the tool's cutouts, which can be arcs, 90° angles, vertical lines, or hexagon holes.Operations Performance: Follow the marked lines for bending, cutting, or drilling.