Body-Solid 50lb. Selectorized Weight Stack Upgrade SP50

50 lb. Weight Stack Add-On Kit Takes the standard weight stack to a new level of performance. Fast and simple installation make this a must-have for your plate load system. Includes five 10 lb. plates. For use with selectorized home gyms only, including G2B, G3S, G4I, G5S, G6B, G8I, G10B, GDCC201, GDCC200, GDCC250, P1X, P2X Dimensions Package Dimensions:   Length Width Height     11.02in / 279.91mm 5.71in / 145.03mm 5.04in / 128.02mm     Volume Gross Weight       0.18 ft3 / 0.01 m3 50.60lb / 22.95kg