Roll Offset Disc 5" Diameter Graduation:Metric The 1000 mm scales are

The 1000 mm scales are blank over the lower 495 mm and are graduated over the upper 521 mm (see image below)

precise marking on concrete and tough construction materials in demanding field conditions

Plumb Bob and Carrying Case

accurate plumb

Roll Offset Disc 5" Diameter Graduation:Metric The 1000 mm scales areWe offer both adapters in 5" diameter and your choice of the metric option (10mm) or English option (3 8") thick. Kara's Roll Offset Disc is used to ease the process of getting tangent to a roll. Kara offers two different versions of the offset disc, English or Metric. Specifications on English Offset Disc Material Anodized, Aluminum Diameter 5" Diameter Height 3 8th" Tall Specifications on Metric Offset Disc Material Anodized, Aluminum Diameter 5"