Irwin Record General Purpose G Clamps 120 Series T1204
G-Clamp/C-Clamp 100mm/4"
Manufacturer Website:
https://www.irwin.co.uk/tools/clamps/general-purpose-g-clamps%C2%A0120-series
General Instructional Video:
https://www.youtube.com/watch?v=t3v3J1EFrR8