for gas hob with knob with 6 mm shaft diametera molding, durable, the quality is very goodSmall and light, simple and modern design, concise and stylishBuilt-in hole for easy installation, smooth surface is easy to clean and comfortable to gripPerfect gadget for family or restaurant kitchen, widely used for cooker, gas stove, oven etc.Material: zinc alloyDiameter:4 cm/1.57 inch Aperture 6mm/0.24inchAngle: Right angle/0 degreecolour:SilverPackage Contents:12 x Gas Stove KnobOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.