Description: Material: HSS Tool converter Height: 44mm Tool converter Diameter: 60 mm Thread: M17 Shank: 3mm Maximum depth setting: 19mm Maximum RPM: 28,000 Purpose: Large Windows provide excellent visibility and better control Enables you to accurately cut wood, metal, PVC, etc. Specifications: For processing of metallic and Non-metallic surfaces using an engraving machine or mini-Drill various forms of cutting part provide efficient processing of materials length is about 40mm,Shank Diameter is 3.17mm. Cutting guide allows for a sturdy controlled cut with maximum visibility, and has easy depth adjustment. Suitable: wood, ceiling tiles, drywall, laminate, fiberglass, plastic and vinyl siding. Package Includeds: 1 pc* Rotary Power Tool Accessories 10 pcs* Drill Bits Please Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same,item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.