POWERTEC 48 in. Universal T-Track with 2 Hold-Down Clamps 71169 - The Home Depot
24" x 48" x 3" (Additional Clamps Necessary) - empiregoods.com
S78430-20 - Table Top Support Rod Clamp - Table Top Support Rod Clamp - Each: Amazon.com: Industrial & Scientific
Clamps Tightening Table Top Stock Photo - Download Image Now - C-clamp, Frame - Border, Adjusting - iStock
1 Set Tabletop Fast Clamps, Kit of 2 Clamps + 2 Stops, Woodworking Workbench Clamps - AliExpress
Set Of 4 T-clamps For Engraving Machine M6 Stage Fixture Table Top Milling And Engraving Machine | Fruugo NO
Extra Manual Clamp
Laboratory Table/Bench Clamp up to 2.5" (65mm) Table Thickness, Holds Rod Diameter up to 7/16" (11.1 mm) - Eisco Labs: Science Lab Clamps: Amazon.com: Tools & Home Improvement
45Degree Joint Clamps for Bench Top Counter Top Granite Marble Stone Mitre Clamp | eBay