2" ( 44 LB bar ) with 2" holes in weights . 2x45 2 x 35 , 2x 25 , 2x 10 , 2x 5 , 2x21/2 ( mostly Standard brand ) ( Total 245 LBS of plates.) 2 of the 45 LB Plates in picture have been replaced by 2 x 35 LB plates.