Muscle D Fitness 30 Degree Linear Hack Squat Machine MD-HSM Color:Black Each slam ball has a

Each slam ball has a 10" diameter

they can actually help a bad back by stretching the muscles and decompressing the spine

130-150 Lb

Inspired by NASA

Operational Environment: 50 ~ 104°F

Muscle D Fitness 30 Degree Linear Hack Squat Machine MD-HSM Color:Black Each slam ball has a30 Degree Linear Hack Squat Machine Features revolutionary 30 degree angle relieves stress on spinal cc linear bearings provide smooth carriage operation massively strong tubing for years of use extra wide weight plate holders on carriage wide rubber coated foot plate for multiple muscle groups isolation adjustable angle on foot plate to suit every user convenient plate storage holders 64" l x 28" w x 87" h, 500 lb 63 cm x 71 cm x 221 cm, 227 kg