Dopro 4-Pack 25 * 15Point 5Mm Set Screw Style Aluminium Potentiometer Control Product Details Dopro 4-Pack 25*15.5mm Set Screw Style Aluminium Potentiometer Knobs 1/4" Universal Pot Control Knobs with Rubber Ring and Indicator for Guitar/Bass Equipments Dopro CNC machined universal 1/4" innder diameter knobs with set screws and rubber o-rings; The rubber rings can cover the set screw holes perfectly. Compatible with most solid shaft, split shaft or "D" shaft pots. When you install them on split shaft pots, please make sure align the set screw parallel to the split gap to avoid crashing your pots shaft Package includes four knobs and an Allen wrench Well made flawless finish knobs without burrs or sharp edges, full aluminium knobs without any plastic inserts Dimension: 25mm(63/64") Outer diameter * 15.5mm(39/64") Height * 6.35mm(1/4") Innder diameter; Please make sure the size is correct for your project Package includes four knobs and an Allen wrench Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.