4pcs 8mm Router Bits: 1pc 8mm*19.05mm*20mm, 1pc 8mm*19.05mm*25mm, 1pc 8mm*19.05mm*38mm, 1pc 8mm*19.05mm*50mm, 4pcs/set Premium and Durable Quality: High quality welding, stable quality, high efficiency Tip of Carbide: Micro grain grade provides the increased strength and greatest resistanceFunction: Baked on heat resistant PTFE to prevent build up of wood chips, resin and asphalt Application: Top bearing router bit set cuts all compostion materials, plywoods, hardwoods and softwoodsGasea 4pcs 8mm Trim Pattern Router Bit SetFeatures:- High durability, not easy to break the knife, the effect is smooth, it is carved large table surface and rough carving processing.-The cutter head is made of high-quality hard alloy, and the blade is fine and smooth.-The smooth cutting surface, long service life , is a good helper of decorative wood processing.-Can be hardwood, cork, synthetic board and other organic wood and glass, artificial board, such as cutting smooth rounded surface.-Cutting body is made of steel high quality by heat treatment, high hardness, high wear resistance, etc. Specification: Color: Yellow + Silver Body Material: Solid Hardened Steel Blade Material: Industrial Grade Micro-Grain Carbide Shank Diameter: 8mm Bearing Diameter:19.05mm(3/4") Blade Length: 20mm, 25mm,38.1mm,50mm Total Length:65mm, 70mm, 83mm, 97mmContents:4pcs x 8mm Router Trim Pattern Bits Note: The data are all manual measurement, please allow 1-3cm error, due to the light and display difference, there will be some color difference, depending on the physical object received.