Feature: A set of phonograph movement ruby cartridge and tonearm It can perfectly replace the damaged tonearm assembly of the 8-inch small movement, For the health of the family, environmentally friendly materials are used. Easy and convenient to use and install. Specifications: Item Type: A set of tonearm Ruby cartridge, aluminum needle shaft Needle pressure: 5 grams (4~6 grams); The tonearm uses a 123 mm copper tube with nickel plated on the surface Quantity: 1PC Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm 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. Thank you! Package includes: 1 X A set of tonearm