6mm Shank Slot Cutter Router Bit with Top Bearing Diameter-34.9mm 3-Option Cutting Length-6.35mm | 9.52mm | 12.7mmFeatures- Flute Material: OKE Carbide Steel- Body Material: 45# Carbon Steel- Shank Type: Straight- For Use On: Cuts all composition materials, plywoods, hardwoods, and softwoods3-Option- Shank Diameter: 6mm- Diameter: 34.9mm- Cutting Length: 6.35mm, 9.52mm, 12.7mm- Cutting Depth: 12.7mm- Overall Length: 52mm, 54.5mm, 58mmSuggestion for RPM (Revolutions Per Minute) 80mm, 10000 Max RPM, 2000 Max Feed RPM;Machine RPM (Revolutions Per Minute)- Trimmer: 1000030000 RPM;- Electric Router: 9000 RPM (First Gear), 12000 RPM (Second Gear), 15000 RPM (Third Gear), 19000 RPM (Fourth Gear), 23000 RPM (Fifth Gear);- Vertical Router: 12000 RPM (Low Speed), 24000 RPM (High Speed);- Automated Carving Machine: 18000 RPM (Frequency);Warranty