• Patented Design Sockets Grip Tighter as They Turn & Prevent Rounding
• Removes Rusted, Damaged, Severely Rounded Nuts & Bolts with Ease
• Can Also Be Used as Standard Sockets
• Works on All Standard Hex Type Fasteners
• Includes Durable Thermoform Plastic Socket Tray
• Includes 4 each 1/4 in. drive metric non-slip sockets: 8, 10, 11, 12mm; 5 each 3/8 in. drive metric non-slip sockets: 13, 14, 16, 17, 19mm
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