Made of CR-V STEEL - Geepas 18 pcs tool set provides you with the collection of professional tools you'll need in any of the general repairs and fixing. The entire collection is made of cr-v steel. The steel core and vanadium covering give sturdiness and resistance to corrosion.Precision Screwdrivers - The set has two precision screwdrivers. Both have chemically blackened tips. This is done, so they don't wear out and give a prolonged performance.1-3m Long Tapeline - The 1-3m measuring tape is flexible and has a safety lock. The entire body is made of plastic.Bit Holder - The bit holder has a holding capacity of 1 - 60mm. Different sized bits are included to be used for most types of fixing projects. The sizes are: 10 - 25mm bits phillips: -ph0, ph1, ph2, ph3 pozidriv: -pz2, pz3 slotted: -sl3,4,5,6Cutting tools - The kit contains three cutting tools. A knife blade, a box blade and a pair of scissors. All are made of the same cr-v. The five-blade pieces are sharp and rust resistant. The box blade has engravings on it to facilitate in more finer cutting. The blades are insulated with plastic or rubber. The scissors also haveplete plastic coverage to ensure finger safety. Bination pliers have rubber padded handles and strong jaws for a firm grip. This toolkit gives indeed the perfect collection of all the essential tools used in most repairs and fixes. Thee in a single package at an affordable price.