- 4.8mm (3/16″)diameter
- 12.85 (1/2″ length
- Material Monel (Nickel Copper Alloy, with Carbon Steel Mandrel)
- Mast and Boom fixings Keelboats and Dinghies.
(Alloys with copper contents 60% or more are called cupronickel.)
Monel was named after company president Ambrose Monel, and patented in 1906.