PREMIUM QUALITY - Double-handle universal stems cartridges are made with High-quality materials, sturdy and not easy to deform. Easy to use and keep a faucet running smoothly. UPGRADED RP25513 FAUCET STEM ASSEMBLY - RP25513 faucet stem kit can be used for most two handle bathroom / Kitchen / sink / bathtub faucet. This for faucet stem repair kit is designed to fix leakage due to the failure of stem, spring or seat. Works on both hot and cold. STURDY STEM UNIT ASSEMBLY - Helps keep a faucet running smoothly. Enough quantity can satisfy your inventory and daily. EASY INSTALLATION - Just turn off the water valve and remove the faucet. Loosen and remove the stem assembly with a wrench, and then replace it with the new parts, and finally tighten the faucet. Once everything is replaced and put back together leak! No need to replace the entire fixing device to repair leaking faucet. Color: As Shown Material: plastic Package Contents: 4 sets x faucet pole replacement parts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.