The 8-in-1 metric impact-rated flip socket set includes 8 hex nut driver sizes in one tool. The versatility provided allows for convenient swapping between sizes and quickly attaches to an impact driver or our 1/4-Inch quick-connect handles (handles sold separately). Every component in impact-rated, making it an essential tool for the toughest driving applications. Klein® 32934M 8-in-1 Metric Impact-Rated Flip Socket Set, Steel Alloy, 5 pc, Inckudes: (4) Flip Sockets