The Doinker Supreme is the most advanced Doinker ever produced. Due to its ability that allows the archer to fully adjust the Flex Tension of the Doinker and be able to convert the Doinker to use other Doinker technologies such as the Doinker D.I.S.H. and the all new GEN 5 Doinker for endless combinations of dampening and weight placement. The DS1 is 1-1/8 inches with 5/16 û 24 Thread (F) and weighs 1.1oz.