SPECIFICATIONSShaft diameter: 6mm, Shaft depth 23mm. Economical and practical kitchen replacement accessories. MATERIALSGas stove knobs made of high quality zinc alloy, scratch resistant and durable. WIDELY USEDKnobs for ovens, stoves and gas stoves (set of 4). EASY TO CLEANSmooth surface has a beautiful metallic luster appearance, easy to clean and comfortable to grip. EXQUISITE DESIGNSmall and light, simple and modern design, concise and elegant, no sharp edges. Specification: Material: zinc alloy Weight: 120g Shaft diameter: 6mm Gas stove switch size: 40 x 23mm / 1.57 x 0 .9 (D x H) Features: - Built-in 6mm hole for easy installation. - Ideal for replacing damaged gas hobs. - A perfect gadget for the home or restaurant kitchen. - The mark on the knob can help you recognize the correct one. direction to adjust. Package includes: 4 x Gas Stove Knobs