For gas hob with knob with 6 mm shaft diameter Zinc alloy material, one-piece molding, durable, high quality Small and lightweight, simple and modern design, sleek and stylish Built-in hole for easy installation, smooth surface is easy to clean and comfortable to grip Ideal for home or restaurant kitchen, compatible with cooker, gas stove, oven, and more Specifications: forward 0 degrees Material: zinc alloy, solid and durable, long service life Size: diameter 4 cm / 1.58 inch, height 2.2 cm / 0.87 inch Color: silver Weight: 18 g per piece Shaft diameter: 6 mm Package Contents: 8 x Stove Knobs Note: Only the items listed are included. Light reflection and display differences may cause slight color variations. Measurement error allowed is +/- 1-3 cm.