ILS Roller Shutter Door Ground Locking UnitThis item is used to secure a moving part to a static unit, usually shutter doors. The base unit with a detachable loop is secured within the ground and the bolt through loop is permanently secured to the moving part, when the shutter door is pulled down then the two loops align and a sliding shackle padlock can secure them both together (padlocks supplied separately). Ground fixing arrowhead bolt removable when shutter is in the open position Lock