ISO standard flat washers 17x30x3 Titanium 0 x (M16) Corrosion resistant non magnetic for metal allergy is less pure titanium (2 seeds) tp340 Series Titanium is the tooth implant treatment and fracture in place and can also be used in the recessed body such as compliance with the combination of metal and as they are extremely hard metals, so please place well contact with human hands, and for home use. (* 1) also, we are basically nonmagnetic (* 2) for your instrument, and is also used in the. * 1. This item is a industrial. For medical uses for it. * 2. Pure titanium alone is a fully machined nonmagnetic, but when there is no surface residues to the affected and no additives or fine dust such as products which adhere to a very slight magnetic system to detect and monitor color settings.