Stainless Steel Screws Nuts Universal Turntable Headshell Cartridge Mounting Kit Professional Bolts Mixed Boxed 50 PcsFeatures: Contains everything needed to fit any phono cartridge. This selection of bolts, nuts and washers cater for a full range of cartridge body depths.Manufactured from high strength stainless steel not aluminium since many cartridge manufacturers specifically advise against the use of aluminium.Please ensure that the cartridge is correctly fitted to the headshell making sure you always use the shortest bolts that will accommodate your cartridge / headshell combination.The socket head on the bolts allows for easy tightening with the supplied allen keys.The 6, 8, 10 & 12mm bolts are perfect for mounting the majority of cartridges on the market. The 16 & 20mm bolts are included for the deeper bodied cartridges and the M2 bolts (10mm & 16mm) are included for the majority of Thorens headshells.Specification: Material: Aluminum AlloyPackage Includes: 2 x M2.5 x 6mm stainless steel allen bolts2 x M2.5 x 8mm stainless steel allen bolts2 x M2.5 x 10mm stainless steel allen bolts2 x M2.5 x 12mm stainless steel allen bolts2 x M2.5 x 16mm stainless steel allen bolts2 x M2.5 x 20mm stainless steel allen bolts12 x M2.5 stainless steel nuts12 x M2.5 stainless steel washers2 x M2 x 10mm stainless steel allen bolts2 x M2 x 16mm stainless steel allen bolts4 x M2 stainless steel nuts4 x M2 stainless steel washers1 x 2mm Allen key (for M2.5 allen bolts)1 x 1.5mm Allen key (for M2 allen bolts)note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item.