[Including] 5 / 10 Keys for unlocking Kwikset doorknobs/locksets.
[Length] Each key is 6.0 cm (~2.4 inches) long, and the straight part is 4.5 cm (~1.8 inches) long.
[Material] The keys are made from spring steel plated by polished brass.
[Usage] The keys are used to unlock interior Kwikset locksets, such as bedroom door and bathroom door.
[Instruction] Place the flat head into the koob/level hole until it hits the switch. In most cases, insert the head into the hole for about 2 cm, it will hit the switch. In some other cases, it may need to insert further. Then you can rotate the key clockwisely and unclockwisely to let the flat head falling into the groove. Then you can easily unlock or lock the door by rotating the key.