The Groz - 1/2 inch, 21 mm Deep Hexagon Impact Sockets have a strong and super grip profile. The round points of the 1/2 inch, 21 mm Deep Hexagon Impact Sockets provide a non-damaging contact between the socket and the fastener. The 21 mm Deep Hexagon Impact Sockets prevent pressure from applying to the fasteners’ corners, reducing the chance of grip slips. The Deep Hexagon Impact Sockets are precisely hardened for increased durability. The knurled band of the Impact Sockets provides a good grip in slippery situations.
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