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The black frame is purposefully designed to eliminate light reflections that can alter the apparent color of a stone during grading
Dimensions given are at the thickest point
Also known as flat files or pillar files
Carrying handle for portability
60 mm screwdriver blades are single-ended
TB-289GEL Tubes For Tri-Electronics GT-3000 & GXL-18 Components The black frame is purposefullyThe TB 289GEL Gel Tubes are the standard replacement gel tubes designed for use with Tri Electronics gold testing instruments. Proper gel viscosity is essential for accurate electronic gold testing, and these tubes ensure your tester performs as intended. To maintain optimal gel consistency, store tubes in a cool locationheat and age will affect viscosity over time. Features Standard gel tubes designed for Tri Electronics gold testers Compatible with
