The Robertson (“square head”) screwdriver is a Canadian invention. It’s my preferred screw/driver combo. Doesn’t slip, doesn’t strip. Just another great way we can support Canada’s economy. #buycanadian - ThreadSky

herman-t.bsky.social • 2 days ago

The Robertson (“square head”) screwdriver is a Canadian invention. It’s my preferred screw/driver combo. Doesn’t slip, doesn’t strip. Just another great way we can support Canada’s economy. #buycanadian