Ozar Steel Set Square 150mm US6315-09 Extreme Protection Technology (XPT) is

Extreme Protection Technology (XPT) is engineered for improved dust and water resistance for operation in harsh conditions

75 Metric and 4 to 12 UNC

Wrench 22 (781011-1)

600512 - 12mm TengTools Combination Spanner Manufactured and designed in accordance with DIN3113A from high grade Chrome Vanadium Steel

Ozar Steel Set Square 150mm US6315-09 Extreme Protection Technology (XPT) isOzar Steel Square Product Code: SQUS 06B 150mm Made from finest quality ground steel with heavy duty stock Blade is hardened & ground for straightness & parallelism Squares are accurate both inside & outside Effective blade length measured from inner edge to the beam to the end of the blade