For use with Gillo G1, G2 and GQ-25 risers Comes in three different parts to provide a variety of different balances on the riser Anodized aluminium Total weight 403 gram Perfect choice for the barebow archer Included Accessories Thread Size1/4, 1/4-20 Oz Weight14.2, 20.7, 41.2 oz MaterialAluminium, Aluminum Black anodized parts, Steel, Steel Center/Aluminum Black Anodized Sides FinishAnodized, Anoidized