10mm 3/8 in. 500mW Side Adjust 3299P Series. Bourns® 3299P 3/8" Square Multiturn Cermet Trimming Potentiometer (Trimpot®). Multi-contact wiper - low noise, high stability Sealed to withstand immersion board washing Moulded body with built in stand-offs Wiper idles at end of travel Suitable for 0.1in grid pitch