This 9.5" hand-painted Vac-U-Lock attachment has been modelled on Jeff Stryker's smooth curved shaft. It is compatible and interchangeable with all Vac-U-Lock systems and has a usable length of 7.4" and a circumference of 5.97". Materials: PVC, Size: 9.5" x 2.3" 24.13 x 5.84 cm, Power: None Required