Item Type: Variable Angle Fixture Material: Iron Colour: Black Use: For woodworking tools 1[Black Paint Finish]?Variable angle fixture black paint finish, which is corrosion resistant and wear resistant, with high hardness and durability. 2[Accurate Reading]?Woodworking fixtures angle clamp special technology laser calibration, clear and accurate reading, easy to use. 3[Adjustable Screw]?Variable angle clamp adjustable screw design, when the reading needs to be fixed, the screw can be tightened. 4[Don't Hurt Hands]?Woodworking protractor every edge and corner has been polished by a special process, so it does not hurt the hand. 5[Clear Scale]?Woodworking angle clamp fixer scale is clear, does not fade, and has a long service life.Manual measurement, please allow 1?2cm / 0.4?0.8in error.1 x VariableAngleFixture