Manufacturer Introduction:HMX, in collaboration with Silliworks, is renowned for producing high-quality mechanical keyboard switches that blend innovative design with exceptional performance. Their products are tailored for enthusiasts seeking a unique typing experience. Sillyworks is responsible for modern classics like the Hyacinth V2U. Product Description:The HMX Sonja is a linear switch that offers a distinctive typing feel, characterized by its textured top housing designed to provide a satisfying scratchy sensation. If you want a switch that blends the classic experience of a cherry switch, with the modern materials and techniques of HMX - you have it. With a 45g actuation force and a 52g bottom-out force, it delivers a balanced and responsive keystroke. The switch features a POM stem, PA66 top and bottom housings, and a 22mm KOS single-stage extended spring. Factory-lubed using a mix of GPL105 and GPL205 on the leaf springs, the Sonja ensures smooth operation while maintaining its unique feedback. Switch Specifications: Type: Linear Actuation Force: 45g ±2g Bottom-Out Force: 52g ±2g Pre-Travel Distance: 2.0mm Total Travel Distance: 3.9mm ±0.2mm Stem Material: POM Top Housing Material: PA66 (textured for scratchiness) Bottom Housing Material: PA66 Spring: 22mm KOS single-stage extended Mount: 5-pin PCB Factory Lubed: Yes (leaves with GPL105 & GPL205 mix; springs with dry-film lubricant)