C Clamp Stainless Steel, Beam Clamp; C Clamps.Comes With Stainless, Round Platen Product Details The C-clamp is made of 4.5mm thick stainless steel, strong without welding; with stainless steel hooks that can withstand 100 pounds of static gravity.The screw-compressor can be clamped in the range of 0-9/10 inches. Both the back and the bottom plate have a screw hole with a diameter of M8. You can install the stainless steel hook provided in the package The I-beam fixture are equipped with threaded clamp and spring washers to ensure that the object will not move after being clamped(Disc type threaded clamp) Sturdy clips can be used for temporary or permanent fixation of I-beam, board, hardware machinery, architectural decoration brackets, etc.It can also be used to hang some heavier objects under steel beams or ceilings *The C-clamp is made of 4.5mm thick stainless steel, strong without welding; with stainless steel hooks that can withstand 100 pounds of static gravity(clamping Range 0-9/10 Inches) *The screw-compressor can be clamped in the range of 0-9/10 inches. Both the back and the bottom plate have a screw hole with a diameter of M8. You can install the stainless steel hook provided in the package *The I-beam fixture are equipped with threaded clamp and spring washers to ensure that the object will not move after being clamped(Disc type threaded clamp) *Sturdy clips can be used for temporary or permanent fixation of I-beam, board, hardware machinery, architectural decoration brackets, etc.It can also be used to hang some heavier objects under steel beams or ceilings *If you have any questions, please feel free to contact us Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.