Features: It adopts of premium brass material, making it wear -resistant and durable in use Function: It could play a role in connection, locking, fastening by embedded processing technology The package contains 5 pieces for easy replacement of broken ones These are B type blind hole single pass, and are available in various sizes As an important embedded parts, it enjoys wide applications,for example, computer plastic shell, router plastic shell, mobile phone plastic shell, home appliance plastic shell, car, electrical appliances, medical and other plastic shell. Specification: Material:Brass Size(Optional): M6*10*10 D=6 L=10 d=10 M6*12*10 D=6 L=12 d=10 M6*14*10 D=6 L=14 d=10 M6*16*10 D=6 L=16 d=10 M6*18*10 D=6 L=18 d=10 M6*20*10 D=6 L=20 d=10 Weight: Approx.15g~22g/0.5oz~0.8oz Quantity:5pcs Package list: 5 x Brass knurled nut 1、It adopts of premium brass material, making it wear -resistant and durable in use 2、Function: It could play a role in connection, locking, fastening by embedded processing technology 3、The package contains 50 pieces for easy replacement of broken ones 4、These are B type blind hole single pass, and are available in various sizes 5、As an important embedded parts, it enjoys wide applications,for example, computer plastic shell, router plastic shell, mobile phone plastic shell, home appliance plastic shell, car, electrical appliances, medical and other plastic shell.