Roll Offset Disc 5" Diameter Graduation:Metric precise marking on concrete and

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

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

these tough cases are designed with an automatic purge valve

Depressing the quick-release button will allow the Claw Quick-Release Cradle or standard cradle to rotate in to a comfortable position for reading the data collector or controller

crosshair-only targets are available separately for use with auto levels

Roll Offset Disc 5" Diameter Graduation:Metric precise marking on concrete andWe 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"