The image is a representation of the Series and not that of the specific model. Specifications: Tube O.D. (φD): 5/32 Release Ring (φZ): - Release Ring (X): 9.8 Release Ring (Y): 7.8 R: No.10-32UNF A: 2.8 B: 16 L: 18 φP: 9.5 C: 12.2 E: 27 Hex (inch): 5/16 Effective Area (mm2): 1.5 Weight (g): 7