Thank you for viewing. Record Player Technics SL-1200MK2～MK7 SL-1200MK3D SL-1200MK4 SL-1600MK2 SL-1800MK2 Sub-weight for tonearm 50g (1 piece) for sale ※ Main weight and measuring instrument in the image are not included. ◆Size: See image Inner diameter matches the outer diameter of the main weight. Outer diameter: approx. 39mm, Length: 14.5mm Weight: approx. 50g ◆Material (non-magnetic material used) Sub-weight: SUS304 Anti-rotation: Brass (C3604) ※ Brass screw with a flat tip that is gentle on the shaft. Easy-to-use minus screw. ◆Condition: See image Due to the product being manufactured, lathe marks and chuck scratches may occur. Please understand. ◆How to use When the cartridge + shell weight is 30g and zero balance cannot be achieved, attach it over the main weight to balance. Used for heavy-weight cartridges (Ortofon SPU) etc. Set the stylus pressure with a precision measuring instrument. It seems to be advantageous in terms of sound quality as it is closer to the arm pivot than the original screw-in type. ※ This item expands the selection of cartridges and shells. ※ Zero balance is not necessarily guaranteed. ◆Included items Sub-weight, anti-rotation (M4 screw) Protective tape ※ Main weight and measuring instrument are not included. ※ Please ask for details. If you are using a Technics record player and are having trouble with cartridge weight, please ask. We will manufacture. If you do not have a sub-weight, Please take this opportunity to try it. ※ Listed items Technics SL-1200MK tonearm sub-weight 40g Technics SL-1300～1600 tonearm sub-weight 50g Technics SL-1200GAE(GR) tonearm sub-weight 50g