LighterBro? Pro Multi-Tool constructed of 100% hardened 400 series stainless steel. Standard 1/4 inch drive socket accepts any 1/4 inch bit to turn any type of screw. LighterBro? Pro securely holds a 1/4 inch #3 Phillips screwdriver bit at the bottom of the sleeve. Locking #3 Phillips bit is included with LighterBro? Pro. 5/16 and 3/16 inch sockets are also included for convenience. A shackle key or wing nut wrench is conveniently located on the side of the LighterBro? Pro. Two nut grabber wrenches located on the side of the LighterBro? Pro securely grip any size nut or bolt that fits in its jaws, be it standard, metric size or even badly stripped. One nut grabber loosens and one tightens. Choose from Silver or Stealth black colors.