If the quality of the product is not good, please contact us directly. If you have any questions or questions, please feel free to contact us.Turns any cordless power screwdriver into a drill or grinder to quickly switch tasks and keep the job moving.Specification:Material: AluminumColor: Mainly RedSize: 90*80*78mmDowel hole size: about 8mmPocket hole size: about 9.5mmDrilling thickness: about 40mmFeatures:- Ship with a step drill bit and some accessories, ready to use.How to drill a pocket hole:1: Adjust the drill height according to wood thickness.2: Tighten the clamp and fix the drill guide on the wood.3: Put step drill bit into the drill guide hole.4: Turn on the power drill, set to a certain speed of 500-1500rpm.5: Drill slowly before half of the step bit drill into wood Compatible with higher precision.Warning: the head of drill bit should not touch the wood before power drill is on.Package Included:1 x Drill Guide1 x Step Drill Bit1 x Screwdriver Bit1 x Hole Saw1 x Wrench1 bag x screws and plugs (Without accurate amount)Notice:1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid.2. The color may have different as the difference display, pls understand.