Round Double Convex High Optical Purity Glass Lens - 2" (50mm) Diameter - 50mm Focal Length - 15mm Thick Approx. - Eisco Labs auspowers_batchone Perfect for fastening leather

Perfect for fastening leather

5mm adapter is with a reasonable 20cm length that is long enough for daily use but won't take much space or cause a mess in the travel bag

Shoulder strap can be used over the shoulder or crossed over the chest – allowing for easy

39inchOver- voltage

This complete line of pipe couplings allows user to adjust thread sizes from 1/8" NPT through 1/2" NPT with either male or female ends

Round Double Convex High Optical Purity Glass Lens - 2" (50mm) Diameter - 50mm Focal Length - 15mm Thick Approx. - Eisco Labs auspowers_batchone Perfect for fastening leatherRound Double Convex High Optical Purity Glass Lens 2" (50mm) Diameter 50mm Focal Length 15mm Thick Approx. Eisco Labs Round double convex high optical purity glass lens designed for physics and educational uses. Product Features This round double convex high optical purity glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 15mm thick. Note, thickness varies as they are not designed to be consistent in