Original Vintage Chouinard Stopper Nuts
Chouinard Stopper Chocks are much esteemed because of their ease of placement, high security, and wide range of sizes. Their consistent, wedge-like taper resembles the average taper of constrictions within cracks. Therefore, they fit well and are secure because a large area of fitting surface contacts the rock Sling hole sizes are the largest that can be drilled in the small and medium sizes thus allowing the installation of strong wire and perlon slings Stoppers are made in a planned progression of sizes to fit cracks ranging from about 3/32 to 1% inches in width. We have resized all the stoppers this year so there is less overlapping in sizes.
American climber, inventor and equipment manufacturer, Yvon Chouinard, created the Stopper in 1972. It was an amalgamation of the various wedges that were in the market at the time such as Troll, Clog and the MOAC. Over the ensuing decades the Stopper went through various, chameleon like changes/improvements to the point where it's very hard to allocate a particular Stopper to a particular year.
We have strung together a nice little set here in the collection which all date from the 1970's and early 80's, though not necessarily from exactly the same year.
Stoppers were a huge success in America and the word Stopper was often used for a type of wedge even if it wasn't actually a Stopper. As is often the way, lots of them made their way across the pond to the UK where they were equally popular.
Materials: Aluminium alloy
Made in USA
Wired #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13
Unwired: #10 #13