Key Size: 35mm(1.38inch) in diameter, (This cartridge only work for the same structure cartridge replacement , the key size is the diameter of the body, the pin distance of the basement is 18mm, the height of the products is 57.3mm).★ It is very important to check the detail size before order, please don't ignore it. ★ Replacement ceramic faucet cartridge for single handle kitchen and basin faucet cartridge parts. Premier finishing process – finishes will resist corrosion and tarnishing through everyday use Faucet Type: Hot & Cold single handle kitchen and basin faucet. Quality ceramic and plastic material (PPO), high Max Temperature resistance up to 95℃. CUPC certified cartridge, durable for 1,00,000 times life cycle test. Any more problems, please leave us a message or send us a question. We will reply you within 12 hours. CUPC Certified 35mm diameter replacement faucet cartridge, 35 mm square stem ceramic disc cartridge w/o distributor for various single handle faucets, compatible with all plumbing codes, including but not limited to CUPC/NSF/CSA/WaterMark/Kiwa/WRAS/ACS, etc