Faucet Adapter, M22x1.0 Male Thread to M16x1.0 Female Thread Copper Aerator for Garden Hose - Walmart.com
Amazon.com : 2 Pieces Standard 1/4 to 3/8 inch Metal Male Convertor Threaded Screw Adapter Spigot Stud for Studio Light Stand, Hotshoe/Coldshoe Adapter, Ball Head, Wireless Flash Receiver, Trigger : Electronics