*If you have any questions, please feel free to contact us Secure your dust collection hoses and fittings with these sturdy stainless steel clamps. To tighten, just use a flat-bladed screwdriver The back and bottom plate have a screw hole with a diameter of M8., You can install the stainless steel hook provided in the package American Adjustable Pipe Clamp Worm Gear Stainless Steel Hose Clamps Jubilee Clips Assorted Uxcell Stainless Steel Hose Clamp, 4 Pcs 141-165mm (5.6-6.5Inch) Adjustable Thumb Screw Key Type Clamps Worm Gear Hose Clamp For Plumbing Fastener Tube Radiator Garden, Silver Tone Clamps For Woodwork They can also be used to hang some heavier objects under steel beams or ceilings Product Summary: 5Pcs C-Clamps;C Clamp Stainless Steel, Beam es with Stainless Steel Screw Ring That Can Withstand 100 Pounds of Static Gravity (medium * Heavy duty clips can be used for temporary or permanent attachment of I-beams, panels, hardware machinery, architectural decoration brackets, etc. *I-beam fixture is equipped with threaded clamp and spring washers to ensure the object will not move after being fixed (disc type threaded clamp)