XQMax Max Grip Shafts – Strong Polycarbonate Gradient Shafts. Includes Springs. Length: 48mm; (does not include thread – 5mm) Thread: 2ba XQMax Max Grip Shafts – Gradient Dart Stems – GreenXQMax Max Grip Shafts – Strong Polycarbonate Gradient Shafts. Includes Springs. Length: 41mm; (does not include thread – 5mm) Thread: 2baXQMax Max Grip Shafts – Strong Polycarbonate Gradient Shafts. Includes Springs. Length: 35mm; (does not include thread – 5mm) Thread: 2ba