Tension is the amount of force that must be put onto the string to bring it up to pitch. Generally speaking:

• The tension rating on a string is based on a scale length decided upon by the manufacturer. If the same string is put on two guitars. One with 650mm scale length and the other with 660 scale length, and it is considered medium tension on the 650 scale (as measured by the string maker), then it will require more tension to bring it to the same pitch when put on the 660 scale. It will become more like high tension when put on a longer scale length. So, be sure to consider the scale length of your guitar when considering tension (650 mm is usually the standard that most string makers use to decide tension ratings, D'Addario uses 648 mm).
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We were asked whether any of the travel guitars we sell could be supplied in left handed versions. The unfortunate answer is "no". The bigger question is what has to be changed from the "standard" right-handed guitar to make it suitable for left-handed use?

Obviously the strings are the "other" way around and to maintain symmetry of action when tuning the machine heads are reversed.. Then one or more of the following -

• the saddle is reversed/replaced
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