Heavy duty 850w angle grinder machine,,, wheel size: 100mm voltage/frequency : 230v/50hz input power : 850w no load speed : 10000rpm. Power: 850 watt, cutting wheel size: 100 mm (4-inch), speed: 11,000 rpm, spindle size: M10, cable: 2 m 850 watts powerful motor makes grinding and cutting operations run smoothly runs at 11000 rpm making all grinding operations easy and fast ergonomically designed with perfect body grip ideal for metal grinding, polishing and stone, granite and metal sheet cuttings features: This chain saw bracket set uses the 100mm(4″) angle grinder and the grinder is included in this package. Its input power depends on your own 100mm(4″) angle grinder, so it is not a certain number. It has plastic handle which is very convenient for carrying. Safety of sawing, effectively improve the efficiency of your work. The chain interval with the counter-attack shrapnel, guide oil hole, make to use more secure. These saw chains are an improved version of the titan saw chain and are semi professional chains. Usage: When you want to tighten the chain or loosen the chain, first you need to loose the hex screws on the black board and then you could loose or tighten the cheek screw with the screwdriver bit, when you feel the chain is suitable for your work, you could fix the hex screw again and then use the chain saw., Specification: Product name: 11.5” woodworking chainsaw refit kit material: Steel guide bar size: Approx. 34cm/13.39” length, 6cm/2.36” width main color: Silver + black quantity: 1 set package includes: 1pc angle grinder+ 1pc metal cutting blade+ 1pc marble cutting blade+1pc grinding wheel, 1set chainsaw kit.