Louisville Slugger 2026 Atlas (-12.5) USA Tee Ball Bat - 25"/12.5 oz The 2026 Atlas T-Ball (12.5) Bat features a light and durable one-piece alloy design ideal for players just getting started on their baseball journey. One-Piece Alloy Construction: Stiff, durable design focused on amplifying a player’s bat speed to deliver peak exit velocities. HUB 1-Shot Superlight End Cap: Designed for maximum durability Standard Synthetic Leather Grip: For enhanced comfort, control, and cushion 100% Alloy T-Ball Barrel: For use with approved tee balls. 2 1/4" Barrel Diameter: Easy to control for reliable contact.