Bayonet pressure cooker. 18/10 stainless steel bowl and lid. Suitable for all heat sources including induction. Dishwasher-safe. Clamping handle and side handles made of bakelite (high temperature resistant) Useful pressure: 55-80 Kpa Satin interior finish. Mirror polished exterior finish Safety valve and control valve. Capsule base: aluminium 3.3 mm + stainless steel 0.5 mm thermo diffuser. Stainless steel body and lid 1.2 mm. Silicone seal. Includes: 1 stainless steel cooking basket and stand. This stainless steel pressure cooker has two safety systems with two valves. This steel bayonet pressure cooker has an extrusion window that allows in the event of failure of the other two safety systems to release pressure at the window because the seal that seals is less robust than stainless steel. The principle of closure and operation of this pressure cooker is as follows: the lid closes on the tank by 1/4 turn. When heating, a safety system prevents the lid from opening.