The image is a representation of the Series and not that of the specific model. Specifications: Tube O.D. (φD): 3/8 R: 1/4-18NPT A: 11 B: 38.3 L: 32.5 φP: 17 C: 20.7 Hex (inch): 11/16 Release Ring: φZ: 16.8 ; X: - ; Y: - Effective Area (mm2): 24.9 Weight (g): 36