Premium MaterialsThis wood file is made of high-end T12 carbon steel, possessing better performance of hardness and abrasion resistance and not easy to deform. 18pcs ks tools file - 4 coarse files (flat/ triangular/ semi-round/ round) and 12 high precision needle files - suitable for more precise and tight polishing of metal, wood, glass, ceramic porcelain, leather, plastic, etc. There is also a professional steel brush and a storage bag.Comfortable HandleWith the ergonomic design, this fine file fits the hand better to improve the comfort of the handle. It is possible to save energy better, avoid hand slippage during polishing to improve efficiency. suspension. The iron file comes with a textile storage bag, intended for filing and easy to transport. Dimensions: 34.5 X 15 X 4.5 cm, weight: 1152g. File length: Large files: 200mm (blade length) + 110mm (handle length). Needle files: 100mm (blade length) + 50mm (handle length).