Bichro--mate or white zinc plated steel* Stainless steel Beta Pin White zinc plated steel Double Beta Pin Bichro--mate or white zinc plated steel* Safety Beta Pin Bichro--mate or white zinc plated steel* Zinc plated steel Linchpin Stainless steel Stainless steel Linchpin Bichro--mate or white zinc plated steel* Safety Linchpin Bichro--mate or white zinc plated steel* Linchpin for pipes * Bichromate zinc plated steel available while stocks last