The common sense fastener is secured – Just twist and lockIn the common sense fastener solution, with a simple “twist to lock” action, the turn button fastener is positively engaged by twisting the knob.  Commonly found on boat covers (especially narrowboat cratch covers) and vintage car hoods, an Ossian Turnbutton Blister Pack is essential for any marine or automotive repair kit.  Different heights are available for all applications.Base Material: Heavy gauge brass or stainless steel – Ossian is the world’s sole manufacturer of stainless steel turn buttons. Standard Finishes: Heavy-duty nickel plate or polished self-coloured stainless steel.Each Blister Pack contains 5 complete sets of Prong Oval Eyelets & Clinch Plates and Turnbuttons.* Screws are also supplied where required.Our Blister Packs are fully resealable, so you only have to use what you need when you need it. Full assembly instructions are given on the rear of the pack.