Bausch & Lomb 10X Hastings Watchmaker\"s Loupe, 40 Diopters, 15.8 mm Dia. 1\" FL (2.5 cm), 81-41-13
Price 49.70 USD
Lightweight glass lens magnifier * Manufactured for headband attachment if appropriate * 1" (2.5cm), 10X, 40D, 15.8mm dia.