Louisville Slugger 2017 Omaha 517 Senior League -5 Baseball Bat (2 58") For more than a decade, Louisville Slugger's Omaha 517 has performed at a high level, in the hands of the world's top players. And the 2017 model has evolved even further. This year's bat has an improved ST 7U1+ Alloy blend that helps strengthen the metal and deliver an even more durable one-piece bat. Time and time again, it's been proven to be a top choice for power hitters and elite ballplayers at the travel and college level. • One-piece ST 7U1+ alloy construction that delivers a huge sweet spot and stiffer feel on contact • Balanced swing weight for increased bat speed and control • NEW custom Lizard Skin™ premium performance grip • 78" standard handle Bat Specifications Drop: -5 senior league Barrel: 2 5 8" Handle: 78" Certified: USSSA 1.15 BPF Swing Weight: Balanced Material: ST 7U1+ Alloy Construction: One-piece Grip: Custom Lizard Skin™ grip