This Round Ended Key Stock Assortment is equipped with a plastic box for easy carry and store, you can classify these feather in an organized manner, and take out easily and conveniently This Round Ended Feather Key Set has an exquisite workmanship to a great experience for you, and there's no burrs on the surface, very smooth and , no worry about hurting your during the working process This Key Stock has a widely during . It is mainly used to fasten the equipment disassembled frequently, and it fits into a mating key-way to transmit torque between shafts and hubs or bushings Combine a mix size of 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, satisfy your different needs. Rust-proof, wear-resistant, and high expanding ability. colour: black material: stainless steel size: 3 4 5 6mm Package Contents: 1 x Box of Round Ended Feather Key(included 140pcs) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.