Made of 304 stainless steel for maximum resistance and durability. Type D is also referred to as a chain shackle, which is a narrow shackle shaped like a chain ring, usually with pins or threaded pins. D-type cockroaches are common, and most other types of cockroaches are variants of type-D cockroaches. Small loops can mainly withstand high loads. Side and shelf loading may distort or bend the D-shackle. Shackles are used to connect the sails to the sails., Weight: 0.07054792384 pounds, Manufacturer: Deechate