Dolibest Set Of 2 Permanent Antirust Stainless Steel 304 Heavy Duty, 7.67?? Product Details Special innovative design: wooden or steel beam frame can support 180 swing back and forth, which can be more flexible and widely used, and can hang any other heavy objects on the overhead mounting frame. The length of the swing bolts is 5.12'', the total length is 7.67''. Easy to install: Pre-drill a hole in the steel or wooden beam (using a 0.32 inch drill bit size). When installing it on wood, put two tightening nuts and washers on the top and tighten them. When installing on a steel beam, put a nut and washer on the top of the beam, and tighten the other side on the beam. All installation hardware is included to facilitate quick installation. High Quality: All parts are made of high quality 304 stainless steel materials. No rust, strong enough corrosion resistance and high hardness to ensure safe and environmentally friendly use, non-toxic and no odor. 1500 LB capacity. Wide range of application: suitable for indoor and outdoor, suitable for wooden beams and I-beams. The best anchoring solution for all suspension straps and resistance trainers, hammock swing kits, Olympic rings, battle ropes, yoga swings, boxing equipment. Customer Service: Recommended for Ages 12+.Customer satisfaction and satisfaction is the top priority of our business. If you have any questions, please feel free to contact us, we will provide you with the most satisfactory service.US Patent Pending. All Rights Reserved. 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.