Butterfly Timo Boll SG33 85017 Ping Pong Racket Properties: The Butterfly Tim Boll table tennis racket is perfect for hobby and club play among recreational players. The model has a durable wooden structure. The concave handle made with Smart Grip technology has a narrowed shape in the middle, which improves grip. Technical data: · lining: Addoy 1.7 mm handle: FL, concave speed: 50 rotation: 50 control: 100