The Solo 617 is Louisville Slugger's new one-piece alloy bat and the lightest-swinging in the BBCOR line. The Solo 617 features an SBC Speed Ballistic Composite End Cap that's 50% lighter than Louisville Slugger's standard BBCOR end cap, resulting in the ultimate strength-to-weight ratio. The -3 bat that swings like a -5. It's revolutionary technology that helps create a one-of-a-kind bat. SL Hyper Alloy with 1-piece construction for a stiffer feel and maximum energy transfer on contact Speed Ballistic Composite End Cap (SBC) for the absolute lowest MOI and fastest swing speed in our BBCOR line The most balanced swing weight in our line custom Lizard Skin premium performance grip 3132" standard handle Bat Specifications Drop: -3 adult bat Barrel: 2 58" Certified: BBCOR Swing Weight: Balanced Material: Aluminum Construction: One piece Grip: Lizard Skin Premium Grip