The BEAST is the toughest badminton racquet on the market for institutional use. Gauge of aluminum head is 42% thicker than standard. Shaft gauge is 15% thicker than standard. Double length butt cap; solid wooden handle; durable nylon grommets. Lonfibre Plus string is 6% thicker than Lonfibre SX21, for exceptional durability. Double Grip System: if the original grip wrap wears out, that grip plus the underlying plastic can be removed to reveal a fresh new grip.