The Moroso butterfly-head quick fastener is a steel 5/16in shank with .450in length, packaged as a 10-pack for fastening trim and light panels. Its butterfly-style head provides a neat, low-profile anchor point for simple fabrication tasks, offering consistent fitment where a mid-length shank suits layered materials.
Moroso Quick Fastener - Butterfly Head - 5/16in x .450in - Steel - 10 Pack