[Compatibility] - Compatible with for Silhouette Portrait /Cameo 4 /Cameo 4 Plus /Cameo 4 Pro Cutters. [Features] - High Accurate Coaxiality Bearing and 11 Levels Length setting Design allows more choices for many different situation cuts. [Specifications] - HRA95 Hardness Alloy: 45 Standard degree blade for most cuts; 60 degree blade for the most intricate and delicate cuts; 30 degree blade for fabric, thin cardboard and leather. [Application] - These blades replacement for silhouette used for cutting card stock, fabric, heat transfer material, transparencies, paper, vellum, adhesive vinyl magnet paper. [Package Include] - 4pcs 30º+ 4pcs 45º+ 4pcs 60º Cutting Blades+ 1pcs Holder/Housing. Made of Cemented Carbide. High quality and Extra . Blade Diameter:Standard 2.0 mm Real 95 Hardness Alloy Holder:High Quality Bearing. 11 Levels adjustment Accurate Coaxiality Wide usage for Different Purpose Cuts. 30 Degree Blades: for cutting small font and intricate line-art .(eg: any thin vinyl) 45 Degree Blades: for general fonts, vinyl film.(eg: vinyl for traffic sign, flocks, etc.) 60 Degree Blades: for large fonts, thick materials and . (eg: reflective material, masking tapes, etc.) Colour:As Shown Material:Metal Package Contents: 12 * blades (4pcs each of 30/45/60 degree blades) 1 * blade holder Only the above package content, other products are not included. Note: Light reflection 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.