This selection of Paddle Thumbwheels offer a maintained position - Ideal for heavy equipment, industrial machines or remote control devices. OTTO Friction Hold Thumbwheels are high quality single axis Hall Effect Thumbwheels with actuator, offering great EMI/RFI immunity. KEY FEATURES • 250,000 Cycles • Sealed to IP68S • Choice of Styling Options OTTO HTWF Paddle Thumbwheels snap into a 1.47" x 0.710" panel opening, with rocker switch style mounting & custom options.