They are made to take abuse and have had great success in all kinds of settings including commercial, cross-training, and home gyms.   

Sets consist of:

-1000 Pound Set: 55 x 4, 45 x 6, 35 x 6, 25 x 6, 15 x 6, and 10 x 6

-260 Set: 2 each of 10,15,25,35 and 45

-230 Set: 2 each of 10,25,35 and 45

-160 set: 2 each of 10,25 and 45

-18-month warranty on 25,35,45,55 sizes

-6-month warranty on 10 and 15 sizes