Home / WaterPipes / Accessories / Stem / 4cm Double Ended Brass Stem “The Knockout” has been added to your cart. View cart 4cm Double Ended Brass Stem$4.00 4cm Double Ended Brass Stem quantity Add to cart SKU: P800B Categories: Accessories, Stem Product ID: 1391 Description Description 4cm Double Ended Brass Stem Related products Sale! 12cm Bonza Stem Kit $5.90 Original price was: $5.90.$4.20Current price is: $4.20. Add to cart 12cm Glass Bonza Stem $6.50 Add to cart 10cm Glass Bonza Stem $6.50 Add to cart 18cm Bonza Stem $4.20 Add to cart