Linear Mechanical Switches The Gateron Milky Yellow Pros are an upgrade to the previous KS-3 molds. The new design offers a reduction in stem wobble, tighter switch housing, and improved smoothness. These linear switches are known for their exceptional performance and great value for money. These switches are a great choice for anyone looking for a budget-friendly linear switch option with a solid build quality. Specifications: Linear Polycarbonate / Nylon Blend Top Housing Polycarbonate / Nylon Blend Bottom Housing POM Stem 5-pin PCB mount Total Travel: 4mm Pre-Travel: 2mm 50g Spring Actuation Manufactured by Gateron Hand Lubed For optimal performance and smoothness, the bottom housing rails, exterior stem pole, and all surfaces of the stem including the legs are expertly lubricated with Krytox 205G0. The springs are also lubricated with Krytox GPL105 and the switches are topped off with an application of Durock Foam Films. **Please note that these switches feature two additional thick plastic pins (5-pin) that may not be compatible with 3-pin hot-swap boards. To make them compatible, you may need to clip the two pins. Kindly confirm compatibility before purchasing.