The Plumber's Choice 2 in. PEX Tubing Support Butterfly Clamp Plastic Insulator, Copper Piping Insulation to Reduce Banging (10-Pack) BUTTPX002-N-10 - The Home Depot
2pcs/set Hinge Clamps Silk Screen Printing Metal Butterfly DIY Hobby Tool Arts Crafts Sewing Printmaking Screen 60x85mm - AliExpress
1 5/8" Butterfly Clamp w/ bolt & nut – Steve Regan Company
Customized American Style Butterfly Plastic Key Type Adjustable Handle Hose Clamp - China Key Type Adjustable Hose Clamps, American Style Handle Clamp | Made-in-China.com
Amazon.com: 2PCS of Screen Printing Clamps Screen Frame Butterfly Hinge Clamp for Silk Screen Printing Frame Machine,for Fixing Screen Printing Mesh,Screen Printing Press DIY Tool Include 4 Screws
Buy butterfly hinge clamps
National Hardware Pipe Clamp in the Clamps department at Lowes.com