The Usag semi-rigid graduated rulers, model 978 B, are made of opaque, anti-reflective chrome-plated stainless steel and comply with precision class II. They have a double graduation photo-engraved on both sides, with a single graduation for lengths of 1000 mm. Available in three lengths: 300 mm (code U09780015), 500 mm (code U09780016) and 1000 mm (code U09780017), all with a section of 30x0.8 mm.

The 978 A - Flexible graduated rulers by Usag are precision instruments compliant with the MID 2014/32/EU directive, classified in precision class II. Made of matt, anti-reflective chrome-plated stainless steel, these rulers have a double graduation photo-engraved on two sides, except for the 1000 mm model, which has only one side. Available in different lengths, the rulers vary from 150 mm to 1000 mm, with a scale in mm/1/2 mm and sections ranging from 13x0.5 mm to 25x0.5 mm. These flexible rulers are ideal for applications that require precise and reliable measurements.