Try Square (stainless Steel & Steel)

REMAX 64-MM978 TRY SQUARE STAINLESS STEEL   (price for PC) 
Features:
Stainless steel body
Two sides printed measurement, easy reading & clear

Application:
Use of measuring the accuracy of a 90° angle
Length:12"/300mm
Height:185mm
Thick:1.4mm

MERWIN 64-MM971B &  64-MM973B CAST IRON TRY SQUARE RULER 8" & 12''(price for DOZEN)    Features:
Cast iron body, polished finish

Application:
Use of measuring the accuracy of a 90° angle
Length:8"/200mm . 12"/300mm
Height:185mm
Thick:1.0mm