Features: Multi Size: Combine a mix size of 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, satisfy your different needs. Rust-proof, wear-resistant, and high expanding ability. 140pcs are enough for multiple choices. With Storage Box: Equipped with a plastic box, you can classify these feather-keys in an organized manners, more convenient to carry and take out. Accurate-process, smooth-surface, without blur. Mainly used to fasten the equipments disassembled frequently. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Stainless Steel Weight: 400g Contents: 3*3*8mm 10PCS 3*3*10mm 10PCS 3*3*12mm 10PCS 3*3*16mm 10PCS 4*4*10mm 10PCS 4*4*12mm 10PCS 4*4*16mm 10PCS 4*4*20mm 10PCS 5*5*12mm 10PCS 5*5*16mm 10PCS 5*5*20mm 10PCS 5*5*25mm 10PCS 6*6*16mm 5PCS 6*6*20mm 5PCS 6*6*25mm 5PCS 6*6*30mm 5PCS Package List: 140pcs New Round Ended Feather-Key