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...
Elastic * T. O. * Farmer Vision * Head'r * Pencil Crayon *
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...
Elastic * T. O. * Farmer Vision * Head'r * Pencil Crayon *