for fuel hob with knob with 6 mm shaft diameter a molding, durable, the traditional is great Small and light, simple and leading-edge design, concise and stylish Built-in hole for straightforward installation, gentle floor is straightforward to scrub and comfortable to grip Perfect mechanical device for kinfolk or eating place kitchen, broadly used for cooker, fuel stove, oven etc. Material: zinc alloy Diameter:4 cm/1 inch Aperture 6mm/0 Angle: Right angle/0 diploma colour:Silver Package Contents: 4 * Gas Stove Knob Only the above kit content, other item usually are not included. Note: Light taking pictures and assorted reveals could cause the color of the article in the picture considerably different from the real thing. The measurement allowed error is +/- 1-3cm.