45 Degree blades are the standard blade that comes with most vinyl . They are recommended for all standard and calandered vinyls as as other thin materials such as for ThermoFlex Plus Made from tungsten steel, coming with springs Rustless and anti-static Work perfect on cutting plotter Best performance with high precision, High quality and durable Apply in reflective film, automotive film, -adhesive paper or papers on the cutting plotter Specifications: Degree: 45 Degree Apply in: cutting plotter length: 20mm Handle dia.: 1.46mm Length of holder: 51.8mm Storage case size: 70 x 50 x 13 mm Colour:Red Material:Tungsten steel Package Contents: 50 * 45 degree cutting blade 1 * Blade holder 1 * storage case Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.