It is special machine,Circular saw is very dangerous and the speed is fast,As the surface is rougher after processing Quality/Safety Certifications: CE, UL (Transformer)Delivery Lead Time: One weekPayment Terms: Check, L/C, T/T Supply Ability: 2,000pcs/week Price Term : FOB ShundeTechnique Data1)Motor speed: 20,000rpm2) Motor input: 12VDC3)Material: Carbon steel, Aluminum, ABS