They're all Louisville Slugger! The black/silver Z1000 is a 29/17 oz. 2 5/8 barrel. The Attack, white/red cammo is a 29/17 oz bat, 2 1/4 barrel. The Vertex is a 31/18 oz bat, 2 1/4 barrel. All three have new USSSA stamp. Sorry I left that info out, what a rookie!