50pcs/set M2.5 Turntable Headshell Cartridge Mounting Kit Stainless Steel Bolts Screws Set With For CaseFeature:1,This stainless steel kits can be sucked by a magnet.This Cartridge Mounting Kit contains everything needed to fit any phono cartridge. This selection of bolts, and washers cater for a full range of cartridge body depths.2,Please note that this mounting kit is manufactured from strength stainless steel not aluminium since many cartridge manufacturers specifically advise against the use of aluminium. For example the installation instructions for 2M cartridges clearly states "Never over tighten screws and never use aluminium screws, as they can get stuck in the threaded holes of the mounting plate". The weight of stainless steel bolts for aluminium other materials is also irrelevant since you should for always adjust the counterweight at the rear of the arm to ensure that you have set the correct Vertical Tracking Force (VTF) recommended for your cartridge and 3 To get the best performance from your equipment it is imperative to ensure that the cartridge is correctly fitted to the headshell making sure you for always use the shortest bolts that will accommodate your cartridge / headshell combination. The socket for head on the bolts allows for easy tightening with the supplied allen keys 4 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 bolts (10mm & 16mm) are included for the majority of Thorens headshells.Specification:Color: Silver Stainless SteelSize: As the pictureQuantity: 1pcNote:And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!This full kit includes:2 x M2.5 x 6mm stainless steel