Thank you for viewing. Record Player For YAMAHA GT-750, GT-1000 Custom-made sub-weight, 50g, 1 piece This is the item for sale. ※ The main weight and measuring device in the images are not included. ◆ Size Inner diameter matches the outer diameter of the main shaft. Outer diameter: approx. 40mm, Length: approx. 15mm ◆ Materials (non-magnetic materials used) Sub-weight: SUS304 Anti-rotation: Brass (C3604) ※ Brass screw with a flat tip, gentle on the shaft. Easy-to-use slotted screw. ◆ Condition: See images. Due to being custom-made, there may be lathe marks and chuck scratches. Please understand. ◆ How to use When using a static balance S-shaped arm, the cartridge + shell weight is stated in the manual to be up to 26g. By attaching it over the counterweight, weights over 26g (such as SPU) can be used. (Balanced and with good stylus pressure with a heavy-weight cartridge Ortofon SPU-GE) Please check the stylus pressure with a precision measuring device. ※ This item expands the selection of cartridges and shells. ※ Does not necessarily guarantee zero balance. ◆ Included items Sub-weight, anti-rotation (M4 screw) Protective tape ※ The main weight and measuring device in the images are not included. ※ Please ask questions for more details. If you have requests for different sizes or weights for the custom-made weight, please ask. If you don't have a sub-weight, please take this opportunity to try it. Also for sale: YAMAHA GT-750 GT-1000 tonearm sub-weight 30g