Weight kit made by 6 x Stainles Steel disks to fit the inner slots under the G01 riser cover. Supplied with 3 x M4 screw and 3 x M4 nuts, easily allows to alter the balance and torsional reaction of the riser to fit archer's preferencies, with nore than 50 different combinations possible. 50 gr/pair . Fit G2, G4 and G5 risers, too