The Lethal 70 has a hollow shaft with a newly designed T-Joint from Apac. In it's torsion test, it was twisted up to 4 degrees. The racket's stable frame allows for a max tension of 45lbs. Specification:
Frame Material: 30T HM Graphite ( Mitsubishi M30 ) + Titanium Mesh
Shaft Material: 40T HM Graphite ( Toray M40)
Shaft Dia.: 7.6 mm
Weight: 3U (86-89g) G2
Max Tension: 45lbs
Balance: 290 � 3mm (Head Heavy)
-Full Titanium Mesh Power Frame
-Multi-layer Linear Fiber construction shaft.
-Ultra Low Twisting angle on Tosion test.