Q:Why are these products cheaper than similar productsGood
quality
A: Our products are manufactured with high quality chromium
vanadium steel, never rust, and hard.Chrome vanadium steel suitable for
heavy duty impact drivers. Spring loaded ball bearing on head holds
sockets securely.let your save time and effort at a reasonable price.
Q:Will it breakWhat kind of warranty comes with the bit Adapters
A:Will never break, service life: hundreds of thousands of times.
Guarantee100% money back or resend you a new set for any
product problems .
Q: Will they hold up under the stresses of constant impact & torque
A: yes, he will!but ... All Tools will break