C-Thru / Westcott Goniometer GO-180 Accurate Crystal Specimen and Solid Angle Measurements Made Easy The C-Thru / Westcott Goniometer GO-180 offers a swift and precise method for measuring crystal specimens and solid angles. This versatile 2-piece protractor is essential for professionals and enthusiasts in the field of crystallography. Key Features: 2-Piece Protractor Design: Each piece measures 44 x 178mm, ensuring easy handling and precise measurements. Dual Measurement Scales: One leg features an inch scale in sixteenths, while the other leg boasts a metric scale, providing versatility for various measurement needs. High-Quality Construction: Designed for durability and accuracy, the C-Thru / Westcott Goniometer GO-180 is a reliable tool for both fieldwork and laboratory settings. Optimise your measurements with the C-Thru / Westcott Goniometer GO-180 and experience the convenience of accurate and quick angle assessments.