Tramontina 18/10 Stainless Steel 4-Piece 3-Quart Steamer/Double-Boiler (1) Handles are riveted onto the stockpot for added strength and durability Compatible with induction, gas, electric and ceramic glass cooktops Includes: straight-sided stockpot, double boiler and steamer insert Ergonomic and sturdy, soft-grip handles / Lifetime warranty / Durable 18/10 stainless steel Shatter resistant, tempered glass lid / Dishwasher safe / Tri-ply base construction