Double Lens Head-mounted Headband Reading Magnifier Loupe Head Wearing 4 Magnifications

Features:
4 Replaceable/interconvertible magnification lens plates to meet different magnifying needs.
Lens are ground and polished to precision ophthalmic standards.
The shell frame is made of lightweight, durable and impact resistant materials.
Adjustable head band for more comfortable and tight head wearing.
Widely used in mechanical processing, electronic repair, jewelry appraisal, timepieces repair and miniature engraving, etc.

Specifications:
Magnification:  1.5x, 2x, 2.5x, 3.5x Magnifier
Lens diameter: 20inches, 10inches, 8inches, 4inches
Shell frame color: Gray
Lens material: Acrylic
Product size: Approx. 25 * 20.5 * 4.5cm / 9.8 * 8.1 * 1.8in
Product weight: Approx. 140g / 4.93oz
Package size: Approx. 29.5 * 21 * 5cm / 11.6 * 8.3 * 2.0in
Package weight: Approx. 367g / 12.95oz

Package List:
1 * Magnifier
1 * Operation Manual (English)