Attention woodturners! If you use a Simple Rougher (the one engraved with 'SR'), this is the exact replacement cutter you need. It's a 14mm x 14mm square carbide cutter with perfectly sharp 90-degree corners – no radius at all, which is ideal for turning crisp inside corners, tenons, and other square shapes. Made specifically for the Simple Rougher, so you know it'll fit just right. Note: This fits the full-size SR tools, not the mid-size MSR versions. If your tool was bought before October 2011, this is the only square cutter that'll work. It's durable, stays sharp, and gives you clean, precise cuts every time. Easy to install and helps keep your woodturning projects looking professional. A must-have if you want to maintain your Simple Rougher in top shape. Keep a spare on hand so you're never stuck mid-project!