Ideal for fast, heavy-duty cleaning of large surfaces, removing weld scale, rust, burrs, etc. Designed for use in high speed air and electric tools, both portable and stationary machines. No. 72757: Diameter: 2-3/4", Wire Size: 0.012", Wire Style: Knotted, Arbor Size: 5/8"-11, Maximum Speed: 12,500 rpm, Pkg Qty: 1, Package Type: Clamshell No. 7278. 2: Diameter: 2-3/4", Wire Size: 0.012", Wire Style: Knotted, Arbor Size: M10x1.25, Maximum Speed: 12,500 rpm, Pkg Qty: 1, Package Type: Clamshell No. 72753: Diameter: 4", Wire Size: 0.012", Wire Style: Knotted, Arbor Size: 5/8"-11, Maximum Speed: 85. 0 rpm, Pm kg Qty: 1, Package Type: Clamshell No. 72756: Diameter: 6", Wire Size: 0.012", Wire Style: Knotted, Arbor Size: 5/8"-11, Maximum Speed: 6500 rpm, Pkg Qty: 1, Package Type: Clamshell No. 72755: Diameter: 2-3/4", Wire 0.012", Wire Style: Crimped, Arbor Size: 5/8"-1 1, Maximum Speed: 14,000 rpm, Pkg Qty: 1, Package Type: Clamshell No. 72754: Diameter: 5", Wire Size: 0.012", Wire Style: Crimped, Arbor Size: 5/8"-11, Maximum Speed: 8000 rpm, Pkg Qty: 1, Package Type: Clamshell ---- 1. However, the product itself is not included. Please rest assured that this is not a problem. 2. Product **and other products made in Japan are not applicable. 3. Packaging and instructions are in English.