New Old Stock Brown & Sharpe USA Machinist's Combination Square CENTER HEAD Hardened STEEL FMP Holes in mobile jaw are

Holes in mobile jaw are drilled and not press punched to ensure they are cylindrical to ensure maximum bearing with rivets

superior indicator accuracy with minimal hysteresis error

30EL 495A - HEAVY-DUTY END NIPPERSStandards : NF ISO 9242

but particularly advantageous for grinding machines

New Old Stock Brown & Sharpe USA Machinist's Combination Square CENTER HEAD Hardened STEEL FMP Holes in mobile jaw areNew OLD STOCK Brown & Sharpe USA made Precision Machinists or Toolmakers Combination Square Center Head HARD ( this means the head is hardened steel instead of the lower grade cast iron heads) #599 9400 2009 for use with 12" and 24" Blades. The unit has old packing grease on the machined surfaces that is easily cleaned off . We did not remove it for the photos. Premium USA Quality and worth a fortune. Center head helps easily locate center location of