... 115mm 2) Rated Input Power :850W 3) No-load Speed:11000r/min 4) Spare 100% changeable origna gws8-115 We are professional power tools ... factory in Qidong city,Jiangsu province,China. Produce Angle Grinder,Electric Drill,Impact Drill, ... we produce the Motor(Armature,Sattor,Angle grinder gear,Aluminium part). Also,we have Bosch type Angle grinder ,Gws6-100,Gws8 ...