1. These explore replacement blades are fully compatible with Explorer 2//Maker/Expression, suitable for Maker machines.2. These explore replacement blades are made of quality material, sharp and durable not easy to rust, you can cut your project fluently and cut clean with no dragging and no skipped spots.3. 45 degree standard blades are universal cutting blades, such as poster board, foiled card stock, poster board, and computer paper, vinyl, stickers.4. In order to avoid scratching your , these blades are wrapped in a rubber cover, Please pull them out of the cover during use. These knife blades for must be adjusted manually according to different types of blades or different cutting material.Blade Length: 235mm Diameter: 2mmAngle: 45 Degreecolour:Black+silverMaterial:Tungsten steelPackage Contents:20 x Cutting BladesOnly the above package content, other products 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.