Welding helmets lens shade: #9 - 12Welding helmets suspension: Ratchet 370Welding helmets material: ThermoplasticEachHaloX Series W40 Professional Welding Helmet, 3.86 in (W) x 1.80 in (L) Window, #9 - 12 Shadehttp://s7d5.scene7.com/is/image/Staples/s0476213_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0476213_sc7?$thb$http://www.staples.com/sbd/img/res/ic/ic016-deliveryreq.gifhttp://s7d5.scene7.com/is/image/Staples/s0476213/HaloX-Series-W40-Professional-Welding-Helmet-386-in-W-x-180-in/product_702778HaloX Series W40 Professional Welding Helmet, 3.86 in (W) x 1.80 in (L) Window, #9 - 12 Shade0.00