Specification: Material: Tungsten Steel Total Length: Approx. 38.5mm Usable Part Length: Approx. 17mm Cutting Diameter: Approx. 3.175mm Shank Diameter (SD): Approx. 3.175mm Storage Box Size: Approx. 55*52*9mm Suitable Materials: Acrylic, PVC, MDF, Plastic, Wood, Nylon, Resin, etc. Feature:Double-edged flat cutter. Rust-free and anti-static. Works perfectly on milling or cutting machines. Best performance with high precision. High strength and hardness. Easy to carry and store. to use. Package Included: 10 x Double-Edged Flat Milling Cutter1 x Storage BoxNote: Please allow 1-5mm errors due to manual measurement. The item color displayed in photos may be showing slightly different on your computer monitor because monitors are not calibrated same. Payment1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.