Sale Threaded Brass Water Nipples x 1 ea PDF Print $1.70 You save: $0.30 SKU: Threaded Brass Water Nipples x 1 ea Threaded Brass Water Nipples x 1 ea Size Variation 4mm Add to Wishlist Add to Compare Back to: Cooling Systems Description Threaded Brass Water Nipples x 1 ea 4mm,5mm or big bore 6mm and the 6mm are the same big bore as the tiger king water nipples but just 3 mm longer to hold the water line better.