2Set Musical instrument accessories: 2 x String Spreaders & 1 set x Guitar Bridge Saddle Nut Files  Needle Files and bridge saddle file are all made of high-quality Metal, smooth and light weight, perfect tools for filing string slots into nut and bridge.  for polishing saddle, nut, string and so on.  240 grit and 320 grit are used for coarse grinding. 400 grit is used for fine grinding, making the polish more smooth and delicate.  large and more convenient to use.    Material: Metal  colour:Yellow+Black+Silver  String Spreaders:   String Holding Spreader A handy Luthier tool, that allows you to work on the fretboard with the strings on.  A unique tool that allows you to move the strings off the fretboard and hold them while you work on the frets or fretboard.  Each curved brass spreader fits behind the neck, to capture the loosened strings and give you room for filing, cleaning, polishing or light repairs.  A simple but elegant tool that allows you to hold the strings out of your way without using your hands or removing the strings from your guitar.  Size:8.5 x 1cm/ 3.35 x 0.39 inch  Guitar Bridge Saddle Nut Files Set:   The nut files can help take the slots down to exactly where, fix a guitar nut and adjust your guitar for the best hand feel.  Grinding pillow needle Size:  13 different diameters: 0.4mm / 0.5mm / 0.7mm / 0.75mm / 0.8mm / 0.9mm / 1.0mm / 1.1mm / 1.2mm / 1.3mm/ 1.4mm / 1.5mm/ 1.6 mm, meet your various needs.  Sand Paper:  Model: 240 grit, 320 grit, 400 grit  sandpaper Size: 12.5cm x 10cm.    Package Contents:  13 x Grinding pillow needle  1 x Flat rasp  9 x Sand Papers (3 pcs of 240 grit, 3 pcs of 320 grit, 3 pcs of 400 grit)  2 x String Spreaders    Only the above package content, other products are not included.  Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.