Long Arm Wing Nut, to DIN 80701 in A4 Stainless Steel

These long arm wing nuts are mainly used as a closing device, and are designed to be tightened by hand and used where quick and easy assembly is required. Often specified for marine applications, such as side scuttles and ventilations flaps. Long arm wing nuts, also know as butterfly nuts or toggle nuts have a convex base surface that fits the recess in a fork plate. They can also be paired with dog bolts.