Callaway Apex Pro 21 Golf Hybrid Callaway’s Apex Pro 21 Golf Hybrid is packed with features that add speed, control and workability to your game. Featuring Callaway’s NEW Jailbreak A.I. Velocity Blades, a consistent ball speed is provided, a feature that interests all players. It s ideal for Tour Pros up to low handcap players who want a high performace off the tee, or on long Par 4’s and 5’s. JAILBREAK A.I. VELOCITY BLADES Callaway has implemented its NEW Jailbreak A.I. Velocity Blade to create higher speeds low on the face. These blades also enable the Face Cup to flex on the crown, promoting forgiveness and better spin rate consistency throughout your round. A.I. DESIGNED FLASH FACE SS21 This helps golfers gain faster on-center and off-center ball speeds. FORGED 455 HIGH STRENGTH FACE CUP The High Strength Steel used gives the golf hybrid outstanding strength and flexibility, while the Face Cup adds speed and spin consistency across the face. IRON-LIKE DESIGN This Hybrid offers the look of an iron, which is a feature that several highly skilled players prefer to see.