Extreme Max Boattector Stainless Steel Wide D Shackle 1/4in Pack of 4. These Boating & Marine from the experts at Extreme Max are designed to withstand the demands of a marine environment. With their marine grade 316 stainless steel construction the Extreme Max SS Wide D Shackle is durable and corrosion-resistant - it will not rust. This is a must-have safety tool for any marina or crabbing operation. Put the Extreme Max SS Wide D Marine Shackle on your next project for a durable and corrosion-resistant addition to your marine equipment. Features of Extreme Max Boattector Stainless Steel Wide D Shackle Marine grade 316 stainless steel construction Durable and corrosion-resistant will not rust Do not use in overhead lifting applications Shackle Size: 1/2" Working Load Limit: 2200 lbs. Package Contents: Extreme Max Boattector Stainless Steel Wide D Shackle Extreme Max 3006.8225.4: Boattector Stainless Steel Wide D Shackle 1/4in Pack of