PIE Fixed Type Mini Prism (PC = -7 mm) are Highly Precise and built to get maximum accuracy while Lay-out, Missing Line Measurement.
Highly precise Mini Prism, specially used for Layout work on construction sites, The Mini Prism is having four lengths having 30 cm each, and a plumb point of 50 mm (5 CM), prism is having 25 mm dia and is coated for better visibility.
