Doinkers Alumi-Komp 30 Aluminum Stabilizer is a good introduction to freestyle stabilizers. Includes the fully adjustable Doinker Supreme and a double stack aluminum weight. Made in USA. Length: 30. Wt: 7.9 oz. Color: Black/Silver. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hunting/Target Stabilizers.