Take your selectorized weight stack to a new level of performance. Fast and simple installation make this a must-have for your plate load system. Cast from ASTM-grade 20, this is the highest quality iron casting available. Includes only weight plates. Selector and guide rods, frame and connecting hardware are not included. #SP50 includes five 10 lb. plates Does not include top plate or pin. For use with selectorized weight stacks, including, but not limited to, Body-Solid models G2B, G3S, G4I, G5S, G6B, G8I, G10B, GDCC201, GDCC200, GDCC250, P1X, P2X. Call for additional details 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 Application/Use: Commercial Application/Use: Residential Type: Machine Weight Stack