A must have for acoustic/electrical/classical guitarists - of good construction in a slim of lightweight zinc, designed with a special clamp so as not to damage your guitar. Extractor pin bridge in a handle can help remove bridge pins without harming your guitar. It works easy and effectively - fast assembly and disassembly just by gently grab the clamp with one hand. Save the work of pressing with screws such as ancient cages. Does not produce buzzes - it has a robust steel with memory, presses the strings and provides the pressure required in the dishes without producing hum, changing the intonation or bending the strings. Do not easily slips through the frets or bars.