Rated input power : 750W max. A pair of carbon brush. We would try our best to help you solve the problem. Please allow us to reply your message within 1-2 Days. The item "Pro Electric Die Grinder Straight Handheld Grinding Machine Variable Speed 750W" is in sale since Monday, August 20, 2018.This item is in the category "Business, Office & Industrial\Power Tools\Grinders\Grinders". The seller is "wenbo1988" and is located in PORTSMOUTH. This item can be shipped worldwide.