#222-Bulbs 222 Replacement Miniature Lamp, 2.2v, .25amp. E10 base Mini screw. This #222 miniature light bulb replacement commonly used in magnifiers, loupes, microscopes, flashlight pens, etc. This model will fit many of our Electro-Optix models, including our popular M-7series, M-70, MP-8, MP-10,MP-12, MP-14, TM-7, TM-8, our reticle magnifiers and our Nitewriter Pens. Also fits eschenbach models, 1571,1572,1573,1575 and Bausch & Lomb lighted pocket magnifiers. Each purchase is for 2 Bulbs POWER: 2.22 Volt, .25 Amp Base Style-MS Mini Screw E10 Base PACKING Price Breaks: 2 pack/10pack/100pack