Click or scroll to zoom Tap or pinch to zoom Quick Couplers - 3/8" Industrial, One Way Shut-Off - Manual Couplers Each by TOPRING $23.31 SKU TZ144 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.