<h3>Key features</h3><ul> <li>Complete Fastener Kit:​Includes 2 sets of M12 x 140mm hex head bolts with matching nuts, flat washers, and lock washers — everything you need for secure assembly in one convenient package.[Thread Size: M12 x 140mm / M12 x 5.51 inch(D*L); Head Size: 18 x 7.5 mm / 0.71 x 0.3 inch(D*T); Thread Pitch: 1.75mm]</li> <li>Premium 304 Stainless Steel:​Made from corrosion-resistant, rust-proof 304 stainless steel with a bright silver finish. Durable, wear-resistant, and built for long-lasting performance in demanding environments.</li> <li>Versatile Multipurpose Use:​Apply for home improvement, electronic equipment, machinery, furniture, automotive repairs, lighting fixtures, musical instruments, and DIY crafts. Reliable for both professional and hobbyist projects.</li> <li>Functional Design:​Fully threaded hex head bolts provide a strong, even grip. Included flat and lock washers help distribute pressure evenly and prevent loosening from vibration or uneven surfaces.</li> <li>Easy Installation &amp; Maintenance:​Simply insert bolt through the hole, add washers as needed, and tighten with a standard wrench or tool. Regularly check for wear and retighten as needed to maintain optimal performance.</li> </ul><p>Free shipping included. 30-day hassle-free returns.</p>