Ruler Blue Ruler Ring, size 9 PreviousBlue Ruler Ring, size 9 NextBlue Ruler Ring, size 9.5 Blue Ruler Ring, size 9 Blue Ruler Ring, size 9 $38.00 Antique carpenter folding rulers made of aluminum are carefully cut, cleaned, and forged into a lightweight and durable cuff. Most are from the 1960’s. Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr