10x High-Quality Magnification - Examine gems, diamonds, and tiny details with exceptional clarity. 20mm Glass Reticle Scale - Built-in measurement chart for quick, accurate sizing. 8 Ultra-Bright LED Lights - Illuminate your field of view even in low-light conditions. Premium Optical Glass Lens - No distortion, no blur - just - focus. Adjustable Focus Ring - Easily rotate the rugged ring to fine-tune the distance between the reticle and lens for perfect focus. & Ergonomic Design - Built to last with high-grade materials. Description: The CLMG-7173 Scale Loupe is the ultimate tool for gemologists, jewelers, watchmakers, and hobbyists who demand crystal-clear magnification and precise measurements. With 10x magnification, a 25mm diameter lens, and a 20mm glass reticle scale, this loupe delivers , distortion-free viewing for accurate inspections. Specification: Magnification: 10x Field of view: 25mm Scale chart: 20mm Length: 30mm Min. Scale Division: 0.1mm Light Source: 8 LED Color:As Shown Material:ABS + Metal + Optical Glass Package Contents: 1 * 10x Magnifying Glass Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.