TrueSight Lens & Cartridge, Auto Darkening Filter, Variable Shade 9 to 13, 4 in x 3 1 4 in, Polycarbonate no checkout more protection Reinforced with Kevlar® thread more protection Reinforced with Kevlar® thread Aggressive cling ensures that there will be no unsightly tails and that your load will stay together Excellent load retention lets you wrap your load with less film and feel confident that your product arrives safely Superior elongation provides you with lower cost Traditional sizes of 12 inch Amber band pass for enhanced clarity of weld puddle Built in magnification lens Four independent sensors positioned to reduce possibility of blockage during weld Large Torch and Grind modes Low battery indicator