The Work Sharp Blade Grinding Belt Kit Attachment is a premium replacement abrasive belt kit designed specifically for the Ken Onion Edition Blade Grinder Attachment and WS3000 belt sharpening system attachment. This kit includes four high-quality belts with varying grit levels to suit different sharpening needs. The P120 extra coarse grit Norton ceramic belt is ideal for heavy-duty grinding, while the X65 coarse grit Norton Norax 65 micron belt is equivalent to a P220 grit. The X22 medium grit Norton Norax 22 micron belt is equivalent to a P1000 grit, and the X4 fine grit Norton Norax 4 micron belt is equivalent to a P3000 grit. For ultra-fine sharpening, the kit also includes a 12,000 extra fine grit micro-mesh belt. Each belt measures 1 In. x 18 In. and is engineered for long-lasting performance in knife & tool grinding, sharpening, and honing applications. With fast shipping, you can get back to sharpening your blades quickly.Key Benefits and Features: Grit Levels: P120, X65, X22, X4, 12,000 Belt Size: 1 In. x 18 In. Compatibility: Ken Onion Edition Blade Grinder Attachment, WS3000 belt sharpening system attachment