TKSM-121 TAKASHIMA D-13 TUNGSTEN WEIGHT WITH SCREW & DOUBLE SIDE STICKER (10GRAMS)New from Takashima D 13 comes this new 10g Weight. Because tungsten alloy has a much higher density than copper, it allows for a smaller volume at the same weight. This makes it easier for RC drivers to achieve their desired ballast within limited space. Unlike other tungsten alloy weights on the market, the Takashima D 13 weight block features a brand new design that uses a 3 mm screw with a metal washer, supporting both screw mount and double sided