... 5 available 2- well packed 3- high performance 4- impact resistance 5- light weight The PC magnifying lens is one of our ... with the weding glass,it will prelong the lifetime of the welding glass.The diopter are 0.75,1. ... 00,1.25,1.50,1.75,2.00,2.25,2.50,2.75,3.00packing:one lens in one plastic ... :brilliantly clear colourwell package are used for the transport double defence PC welidng glass magnifier