The blade is made of high-purity tungsten steel, with improved manufacturing technology, ideal cutting performance, lengthy existence and wear resistance. The blade is sharp, manage with care. The blade holder makes use of high quality bearings to guarantee delicate and steady cutting. The outer shell of the holder is product of tough alloy, which is gorgeous and wear-resistant. Offers eleven levels of adjustable chopping depth. Instructions for use: Before use, you should get rid of the protecting shell of the blade, Then put the blade into the blade holder. If it is best to remove the blade, press the handle above the blade holder and the blade will out. Material: Metal colour: inexperienced Package Contents: 5 x 30 degree blades five x 45 diploma blades 5 x 60 diploma blades 1 x blade holder Only the above kit content, other products aren't included. Note: Light taking pictures and sundry displays may cause the color of the object within the photo somewhat assorted from the real thing. The dimension allowed error is +/- 1-3cm.