This 5-piece premium string changing kit gives you all the tools needed for the best string changing experience. Music Nomad's innovative 5 ’n 1 cradle cube neck support works great for your guitar, bass, acoustic guitar, banjo and ukuleles. Gentle, yet sturdy it’s safe for all instrument finishes. The GRIP String Cutters high quality chrome vanadium steel blade is spring loaded and comes with a convenient storage sheath when not using. The side cutter design lets you cut strings flush to the turning machine posts. Use the rubber lined, dual-bearing GRIP String Winder to take off and put on strings fast and safe. Use Music Nomad's TUNE-IT to stay in tune longer and reduce string breakage. Apply to the nut slot, bridge, saddle and string guides every string change. The Octopus 8 'n 1 Tech Tool has 6 Hex Wrench Sizes: 10mm, 12mm, 14mm, 1/2" (2) & 7/16" and a Phillips & Flat Head Screwdriver. The innovative design is perfect for tightening or loosening output jacks, strap locks, control pots, tuning machine bushings & screws. All 5 items come in a convenient storage box when not using. MusicNomad products are road tested and used by many top repair shops and touring techs throughout the world.