Snap Hook A4 Stainless Steel Marine Grade M4 M5 M6 M7 or M8 Pack of 1/2/3
M4 M5 M6 M7 or M8. Spring Clip opening: 9.5mm. Spring Clip opening: 6mm. Spring Clip opening: 11.5mm. Spring Clip opening: 8.5mm. Spring Clip opening: 7.5mm. Snap Hooks Marine Grade. The Hook Spring auto locks.