Wichard's Watertight U-Bolt represents a significant advancement in U-bolt technology with its water-tight, UV-resistant, rubber collar. Alas! Vibration, noise, and leaking have been eliminated, not to mention the need for silicone sealers! WC65341 is made of forged stainless steel with an eye stock of 5/16 in (8mm), and it has a safe working load of 5,291 pounds (2400kg) and has a breaking load of 10,582 pounds (4800kg). It is 3 5/32 in (80mm) long and has an eye width of 1 27/64 in (36mm) and an eye height of 1 37/64 in (40mm) .