Warrior worked with a leading University to study how hockey sticks store and release energy. This proprietary test enables Warrior engineers to measure the time a stick launches a puck, enabling our engineers to fine-tune the new Covert for the quickest release in hockey. Release time is called the Moment of Release and is measured in milliseconds. Also featured in the Covert QR1 is are reinforced corners which doubles the strength without adding weight to the stick. The laser cut carbon layers are wrapped precisely to remove excess weight. Warrior worked with Mitsubishi USA to manufacture fibers which permanently bond for maximum strength. The fiber size offers more strength per quare inch. Quick Release Tuned - Moment of Release Time: 76mS Dagger T2 - Super Low Kick True1 Construction - Lighter Stick, Better Balance, Improved Flex New Etched 7 Carbon Fibers - Lighter and more strength per square inch Precision Loop Carbon - Thinner and Added Layers with less overlap results in a stronger and lighter stick Corner Impact - reinforced corners offer twice the impact toughness TwinSpar 45* - Stiffer internal structures connect blade and shaftPro Stock Stick: Due to the nature of pro stock sticks, sticks may have minor cosmetic blemishes and/or may not be exactly as described Shaft texture may vary, grip or clear finish No warranty Warrior Covert QR1 Pro Stock Hockey Stick MS1381071 MS1381071