Stage maker's magnetic limit switch positioning system consists of a magnet that rides along the chain which operates a reed contact inside the hoist allowing the hoist to stop one and a half links away from the magnet in either the up or down direction . Specification: Model: LS-117 Brand : MACOME Type : Magnetic Limit Switch 5V Package includes: 1 x MACOME Magnetic Limit Switch LS-117 Facebook Instagram Pinterest