Material: Stainless steel, water & corrosion resistance and durable Included Lock Latch: 60mm / 70mm Item Weight: 0.76kg~0.8kg Casted construction Solid & reversatile handle (left & right) High Security Dimple Key Default applicable thickness is 35-50mm For the thinner door, use a grinder trim off the internal rod to make the lock grip to a door thinner than 35mm. 7300 (Dimple key provided) for bedroom, storeroom or main door 7310 (without key) for toilet, can be unlocked from the outside by using slot head type tools in case of emergency #update 9 July 2020 -The newer batch has used an improved packaging type.