{"product_id":"linear-slider-knob-4mm-grey","title":"Linear Slider Knob 4mm, Grey","description":"\u003ch1\u003eLinear Slider Knob 4mm, Grey\u003c\/h1\u003e\n\u003cp\u003eThis Linear Slider Knob with a 4mm shaft opening is a standard replacement or upgrade knob for slide potentiometers and faders. Designed for electronics hobbyists, audio engineers, and makers building control panels in India.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eShaft diameter: 4mm\u003c\/li\u003e\n\u003cli\u003eColour: Grey\u003c\/li\u003e\n\u003cli\u003eMaterial: Plastic\u003c\/li\u003e\n\u003cli\u003eDesign: Linear slide, with a textured grip surface\u003c\/li\u003e\n\u003cli\u003eCompatible with: Standard 4mm shaft slide potentiometers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cp\u003eThis knob fits any slide potentiometer or fader with a 4mm shaft. Commonly used with Arduino, ESP32, and Raspberry Pi audio and control projects.\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDIY audio mixer or equalizer with slide faders\u003c\/li\u003e\n\u003cli\u003eLighting control panel for stage or studio\u003c\/li\u003e\n\u003cli\u003eCustom MIDI controller or synthesizer interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery part you buy from Compoden comes with access to our AI build companion, delivered via QR code, email, or WhatsApp. It helps you wire and program this knob into a working project step by step. With 10 years of experience supplying makers and institutions across India, we ensure you get the right component for your build. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for Linear Slider Knob 4mm, Grey?\u003c\/summary\u003e\n\u003cp\u003eWe accept UPI, all major credit and debit cards, and Cash on Delivery (COD). These options are available across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\n\u003cp\u003eWe ship Linear Slider Knob 4mm Grey across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Typical delivery takes 3–7 business days depending on location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes this knob fit all slide potentiometers?\u003c\/summary\u003e\n\u003cp\u003eIt fits slide potentiometers with a 4mm shaft diameter. Check your potentiometer's shaft size before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Linear Slider Knob 4mm, Grey\",\n  \"description\": \"Linear Slider Knob with 4mm shaft opening for slide potentiometers and faders. Grey plastic, textured grip. 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