Built for raw power and explosive performance, the Hammer Strength Ground Base® Jammer is the real deal—no imitations, no compromises. While racks try (and fail) to mimic its movement, only the Jammer delivers the perfect blend of converging and diverging motion, unlocking true athletic drive.
Designed in the ‘90s and still unmatched today, it’s the gold standard for developing force, power, and on-field dominance. When it comes to training like an athlete, there’s no substitute—there’s only the Jammer.
| Dimensions (L x W x H) | 66 in x 79 in x 83 in (167 cm x 202 cm x 212 cm) | |
| Weight | 370 lb (168 kg) | |
| Max Load Capacity (per arm) | 4 x 45 lb plates (4 x 20 kg plates) | |
| Starting Resistance (per arm) | 8 lbs (3.6 kg) | |
| Recommended Plate Mix | 4 x 45 lb plates, 4 x 25 lb plates, 4 x 10 lb plates | |
| Weight Storage Horns | 6 |
