The 225-4.80HR from Calmark Birtcher is screw actuated Card-Lok with 3 segment design and rivet mounting Ø1.70 (.067) hole with 3.96 (.156) counterbore x 5.08 (.200) deep and 100º x 3.56 (.140) countersink. This Card-Lok has 5.72mm (0.225") x 6.86mm (0.270") profile dimensions and 121.92mm (4.8") length. For cold wall applications.