This item is not available for sale online. Not for sale to the general public. Can only be purchased by ABN holding trade customers via official company purchase order. Digimatic indicator 12.7mm/.5″ range 0.01mm/0.0005″ reading Contact point thread size #4 – 48UNF Imperial ABS (absolute) sensor Inch/metric reading Lug back Origin set Direction switching SR44 battery: Button batteries pose a serious threat to young children. Keep out of reach of children. See warning label.