Robertson Screws
Screws with a square hole. Strictly a Canadian device, you won't find this type of screw in the USA.
Would you like to view another Canadianism? Try one of these...
Boozcan * May Two-Four * Pogo * Steeltown * Floater *
Screws with a square hole. Strictly a Canadian device, you won't find this type of screw in the USA.
Would you like to view another Canadianism? Try one of these...
Boozcan * May Two-Four * Pogo * Steeltown * Floater *