Kasper and Richer Alpin geological compass clinometer, made from tough, durable plastic, features a sapphire needle, clinometer arm luminescent markings, various scales and rulers as well as a thermoelastic fluid capsule, which expands and contracts with the dampening fluid, eliminating bubbles forming.

Technical Specificaitons:
• Thermoelastic fluid capsule and long needle with sapphire bearing
• Luminescent markings
• Magnifier Lens
• 1:25.000 and 1:50.000 Scales
• cm and Inch Ruler
• Dimensions: 105 x 62 x 16 mm
• Weight: 67 grams
• Needle: Northern hemisphere only