Brass M8 Click Clack Sink Spring

Direct-fit replacement spring for standard click-clack basin waste mechanisms. Crafted from solid brass with thick corrosion-inhibiting plating to ensure resilience in moist, chemically active bathroom environments. Critical dimensions: M8 top thread (≈7.6 mm), bottom thread ≈15.5 mm, open length ≈58.3 mm, closed height ≈28 mm. Designed exclusively for spring-loaded push-to-open/push-to-close drains. Validated through 100,000+ functional cycles for consistent tactile response and long-term reliability. Installs in minutes using standard wrenches and accessible under-sink space.