What is the Devise called that lowers casket down into grave?

The device used to lower a casket into a grave is called a "casket lowering device" or "casket lowering system." It typically consists of a frame and a set of ropes or straps that allow for a controlled descent, ensuring that the casket is lowered gently and respectfully into the ground. This equipment is often part of the funeral home’s tools to facilitate the burial process.