Features:This hobby knife set is made for all kinds of model making， etching， carving， degumming workComes with an aluminum handle， about 14.6cm long， with textured grains on surface for anti-slip grip The metal blade is surgically sharp with a plastic cap to keep the blade secure in it Comes with 6 identical interchangeable bladesEasy to replace the blade， just need to rotate the installation end of the handleWith a small plastic case to store all blades and keep them organized and secure in it Specification:Package Size: 22*8.5 cmGross Weight: Approx. 35 gHandle Length: About 12 cmHandle Material: Aluminum AlloyNumber of blades:6 pieces