【Six Months of Use】Still perfectly usable. Official Description Below: Ultra-lightweight, enhanced repulsion. The Hyper Mach series, continuously pursuing operability. The ultimate form of 4ORCE, 4ORCE MASTER, is born. With its exceptional operability and bat control, it becomes a weapon that increases batting average and on-base percentage, maximizing the team's mobility. FEATURES 01 MAX FORCE BOUNCE TECHNOLOGY Increased air pressure in the air pad by 50% for a more repulsive and explosive hitting area. Revised urethane material and hardness for better compatibility with softballs. FEATURES 02 VERTICAL GRID Vertical grooves molded onto the surface to grip and catch the ball upon impact. Easier to apply spin, giving the ball more trajectory. FEATURES 03 TAPER FLEX The tapered structure of the Hyper Mach 3, which flexes to accelerate your swing. The smooth shape allows the feel of the impact to linger in your hands. FEATURES 04 END-WEIGHTED BALANCE AB+5 In addition to the traditional Hypermach 4ORCE balance of AB+/-0, we are introducing the new AB+5, which is more end-weighted. *Please note that the product colors may differ slightly from the actual product. Color: RD (Red) AB+/-0, GR (Graphite) AB+5 Size: 74cm (average 510g), 76cm (average 520g) 78cm (average 530g) Diameter: φ69.5 mm average RD (Red) AB+/-0, GR (Graphite) AB+5 Material: FRP + PU Manufacturing: China