1.The 5-key system guide makes for smooth combination

2.A one-touch lock mechanism is used in the combination system.[NR]

3.This product has received standards certification

1.Shell : - Material : Zinc alloy ; Alumunium alloy

             - Finish : Crape Chrome plating

2.Insulator : - Materials : Synthetic resin

3.Contact : - Materials : Copper alloy

                 - Finish : Silver plating ; Gold Plating

Type S :

1.NR-20*-AdM

  - Number of Contacts : 2,3,4,5,7,10,12,14

  - A : 25

  - B : 48.5

2. NR-24*-AdM

  - Number of Contacts : 2,3,4,5,10,14,16,21,24

  - A : 25

  - B : 48.5

Type G :

1.NR-20*-AdF

  - Number of Contacts : 2,3,4,5,7,10,12,14

  - A : 25

  - B : 48.5

2. NR-24*-AdF

  - Number of Contacts : 2,3,4,5,10,14,16,21,24

  - A : 25

  - B : 48.5