Medium duty cylindrical classroom lock
(come with screw)

brand : Hyundae
country of origin : Korea
backset : 60mm
rose : 78mm
keaway : kwikset
unit of keys : 3 nos
door thickness : 35~45mm

Classroom function locks are locked and unlocked from the outside by a key. 
The inside knob is always free for immediate exit.

price : RM 90.00/no