45 Degree blades are the standard blade that comes with most vinyl cutters. They are recommended for all standard cast and calandered vinyls as well as other thin materials such as for ThermoFlex Plus Made from tungsten steel, with springs Rustless and anti-static Work perfect on cutting plotter performance with high precision, High quality and durable Apply in reflective film, automotive film, self-adhesive paper or on the cutting plotter Specifications: Degree: 45 Degree Apply in: cutting plotter Total 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.