Hardened and tempered 4R combination blade, satin chrome finish. With 6” cast iron square head, hammertone powder-coat finish. American-made precision and durability. Made in USA by PEC (Products Engineering Corp) Use to locate center point of round or square stock, or layout 45 degree angles. 6" Cast Iron Center Head (7122A-006) 12" 4R Combination Square Blade (7185-012) For questions, text or call preferred. This item is available if the ad is posted.