The blade is made of high-purity tungsten steel, with advanced manufacturing technology, ideal reducing performance, lengthy existence and wear resistance. The blade is sharp, handle with care. The blade holder makes use of pleasant bearings to assure gentle and steady cutting. The outer shell of the holder is manufactured from difficult alloy, which is gorgeous and wear-resistant. Offers 11 phases of adjustable cutting depth. Instructions for use: Before use, it is best to eradicate the protective shell of the blade, Then put the blade into the blade holder. If you need 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 forty five degree blades five x 60 degree blades 1 x blade holder Only the above package content, various products will not be included. Note: Light shooting and assorted exhibits may cause the colour of the item within the picture just a little varied from the real thing. The size allowed error is +/- 1-3cm.