Cold Water Sink Faucet Single Handle One Hole High Arc Deck Mount Stainless Steel Bar Faucet Stainless steel EASY TO INSTALL: This Single Hole Deck Mounted Arc Sink Faucet can be easily connected to your water supply system or RV with an adapter; diameter of hole in sink should be 18mm to 38mm HOT/COLD WATER SINGLE FAUCET: It can be hooked to either the hot or cold water line, but there is only one handle, so it would not work for both hot and cold at once; high arc spout gathers water together and concentrates flow to reduce splash, environmentally friendly, controllable, no waste THREAD SIZE: 1/2 inch US standard chrome plated threaded; you can connect it to garden hose, dishwasher, kitchen sink, dock sink, washtub sink; suitable for outdoor faucet applications such as boat, camper or other locations EASY TO OPERATE: The kitchen faucet is 10 inches tall; single handle design allows easy control of water flow volume; high arc 360-degree swivel spout provides full range washing access MATERIAL: Made of eco-friendly lead-free stainless steel, 100% safe and healthy; brushed nickel finish with solid 304 stainless steel construction; hot/cold pressure resistant, anti-cracking, anti-leakage and anti-aging Q: What is the length of the threaded area? A: It is 1.8 inches (4.5 cm) Q: What size hole do I need to drill in the countertop? A: 3/4 inch Q: What is the compatible size of the hole for the cold water dispenser? A: The one-hole installation faucet is compatible with a 1/2 inch hole Q: Does the aerator come off and will we be able to attach a portable dishwasher adapter to this faucet? A: Yes, you can attach a portable dishwasher adapter Q: Can it be used on a boat or fish cleaning station? A: You can use it on your boat, camper, garden, marine, or other outdoor areas Q: When using with an RO system, is the faucet so thick that water would tend to dribble out? A: Yes, it can be fed by a standard garden hose and provides ample water pressure for its intended purpose