One time lock / pad lock seal (otl)specification: 1. material of hook-galvanized iron (gi) 2.wire diameter of hook 4 to 5mm 3. material of body(minimum) 30mm x 15mm (height) x 10mm (thickness)as per drawing enclosed. it can be locked by pressingthe metal portion towards plastic enclosure and whichcan be opened only by breaking its plastic body andcannot be reused. stenciling should be done as serial number one side and sr.dme/kur on other side with indelible ink. colour: orange / fluorescent g