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Avoid Being Locked Out


Leka plastic spare key card has the same size as the size of a credit card, it has five key blanks with three different types of key grooves, each key blank has unique thickness and geometry enabling it to accommodated a variety of different keyways of different brands of locks, it can be used as a spare key to duplicate a geometrically similar key. Key duplication can be done by locksmith with duplication machine or by printing the copy of the key onto paper and stick it to the plastic blank then cutting out the key with a hobby knife.

It can be used for most cylinder locks such as conventional door locks and for some vehicle door locks, there are five key blanks in one card, two S blanks are for Schlage and other similar keyway locks, two W blanks are for Weiser, Kwikset, Dexter, Weslock and other similar keyway locks, one A blank is for some vehicles and wide keyhole door locks.


Before you buy it, you better test it by cutting a plastic strip (8.6mm x 32mm) with chamfer on one end which is as same as the key tip, for S and W blank, take a soda bottle and cut it along longitudinal direction, and for A blank, taking a old credit card and cut it, if the plastic strip can be inserted into the lock, it means our plastic spare key blank can fit the lock.
It is included a metal tension wrench to deliver the torque to turn the cylinder, so don't worry about the strength of the plastic spare key, You can carry it in your wallet, pocket or purse, or Slide onto your belt, with this back ups of your keys, you will never be locked out.
There is a plastic spare key DIY instruction with the order, it will show you how to copy a key by yourself step by step, also Key duplication can be done by locksmith with the duplication machine.

STEP 1. Check the blank

Cut off the joint between the key tips and the frame, pull out the blank and see if it can be inserted into the lock.

STEP 2. Print the copy

Scan and print a copy in 1:1 ratio of the original key, highlight the profile with the pen and the ruler to ensure it looks clearly, cut out the bottom edge and shoulder accurately and cut the tooth side roughly, just leave excess paper around the tooth.

STEP 3. Stick the printout onto the blank

Line up the key blank with cut printout, make sure to align the bottom edge and shoulder exactly, and stick it onto the blank with the glue stick.

STEP 4. Cut the tooth and tip

This is the crucial part, it must be very accurate, press the hobby knife down around the highlighted profile to cut into the plastic blank, this allows you to get quite accurate cuts without maneuvering around the knife risking over cutting.

STEP 5. Use the key

Insert the key into the lock slowly and wiggle it gently, before you turn the key, make sure the metal tension wrench is inserted into the keyway completely, it does the turning, otherwise the plastic part may be damaged. If you find your copy isn't quite working, compare it to the original key, fix and clean it use a small file.


For making a copy the vehicle key, comparing the door lock, the key tip is the datum line rather than the shoulder, (1) insert the blank into the lock, (2) mark the lock surface position on the blank, (3) pull out and measure the length of the blank in the keyhole, remember this length data, (4) remark this length data from the blank shoulder to the tip, (5) cut the excess blank tip to ensure the metal tension wrench can be inserted the keyhole completely.
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