3 Types of Electric Tuners:     Standard   Slotted   Locking The most common type of tuner. Click here to find out how to string a guitar with a standard tuner.   Instead of a hole in the side of the post there is a slot, the hole is right down the center. Click here to find out how to string a guitar with a slotted tuner.   Created to lock the string securely in the tuning machines post hole and eliminate slippage. Continue below to find out how to string a guitar with a locking tuner. There are many benefits to keeping your strings fresh. Better tone quality, better right and left hand finger response, wider range of dynamics possible and more range of tone to mention a few. Besides your guitar looks and feels better. A guitar with clean, new strings practically begs to be played. Change with the same gauge of strings as you used before. Your intonation may be off if you use a heavier or lighter set than you currently use. Most electric guitars come with extra-light or '9's'. Acoustic guitars tend to come equipped with light strings. You can experiment with other gauges but this might entail a setup of your guitar to accommodate the change in tension. A trip to you local guitar shop might best be advised.   Step 1 - Remove old string – when re-stringing a guitar, you can save yourself some later readjustments by changing only one string at a time. (enlarge)   Step 2 - Insert new string through tailpiece/bridge or tremolo block. Remember to pull the string all the way through the tailpiece/tremolo. You’ll also want to keep it taut as you pull the string through the tuner. (enlarge)   Step 3 - Put the new string through the hole on the tuner and pull it tight. (enlarge)   Step 4 - Tighten the locking knob. (enlarge)   Step 5 - Tune up the new string. (enlarge)   Step 6 - Clip the new string 1/8” from the hole. (enlarge)