Drillpro 11.5 Inch Chainsaw Bracket Changed M10 Angle Grinder Please check if the size of the lower-chain gear matches your machine before purchase. Specification: Guide Bar Material Spring steel Chain Material High Carbon Steel Guide bar size about 34cm Length, 6cm Width Chain Teeth 22 Chain circle length about 82cm Chain Thickness approx. 4.7mm Drive Link Quantity 45 sections Chain Input Power max.1100 w Wood Cutting Diameter (depth) about 28cm Bracket Overall length about 39cm Handle height about 18cm Usage: When you want to tighten the chain or losen the chain, first you need to loose the hex screws on the black board and then you could loose or tighten the chekn screw with the screwdriber bit, when you feel the chain is suitable for your work, you could fix the hex screw again and then use the chain saw. Features: This Chain Saw Bracket Set uses the 100 angle grinder and the grinder is not included in this package, pls understand. Its input power depends on your own 100 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. Package Included: 1 x Chain Saw Bracket Set (The accessories is included, but the 100 angle grinder is not included, pls understand.)