This racquet belongs to DG series.“DG” stands for Durable Grade, lowering risks of frame breaking. #34;ST #34; model equipped with a stiff shaft. Target Players-Beginner level who wants to string at high tension for high sound, powerful shots with a solid hitting feel. Technology-NANOMESH NEO,AERO+BOX Frame,ISOMETRIC,Rotational Generator System,Control Support CAP,Slim Shaft,Built-in T-Joint. Highlight Joint Built-in T-Joint Length 10 mm longer Weight / Grip 4U (Avg. 83g) G4,5 Stringing Advice 4U: 20 - 35 lbs Shaft SLIM SHAFT Cap E.B. CAP PLUS Material Flex STIFF Frame HM Graphite / Tungsten Shaft HM Graphite / NANOMESH NEO