12" 140Grit Diamond Dot Magnetic Backing Disk – High-Precision Polishing Tool

Upgrade your grinding and finishing efficiency with our Electroplated Diamond Dot Discs, engineered for superior durability, cutting speed, and operator control. Featuring premium diamond particles electroplated onto a nickel-bonded spring steel base with magnetic backing, each disc delivers rust-free, long-lasting performance for lapidary artists, glass crafters, and metal finishers.

• Diameter: 12 Inch (300mm)
• Grit: 140 Grit (Medium Pre-Finishing & Fine Shaping)
• Backing: Magnetic Backing for fast, tool-free disc changes
• Base Material: Rust-resistant flexible spring steel plate
• Application: Gemstone smoothing, glass edge finishing, ceramic leveling, and hard metal pre-polishing