For SME 3009 / 3012 Series II Improved Wayrod and Rider Weight 100% brand new and high quality SME 3009 Improved Rider Weight with Spring & Plunger Assembly This is suitable for all SME 3009 Improved Tonearms. Note that SME 3012 requires 2 to be used Features: For SME 3009 / 3012 Material: Stainless steel, 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! Packing List: 1 x counterweight