Safe and ruggedly built with 2" x 3" 11-gauge tubular steel framework. Self-spotting multi-press machine designed for versatilty and smoothness. This unit has the Tuff Stuff "lockout system" which will assure you of a safe heavy barbell workout. Includes built-in standard plate holders which will also accomodate Olympic plates. The Smith bar accomodates both standard 1" plates and 2" diameter Olympic plates. (2 Olympic Adapters included).