This is the newly released DeWalt DCF510 20V Max Sealed Head Cordless Ratchet. You get 2 changeable anvils in 3/8" and 1/2". Two spring-loaded detents keep the anvil securely located, so you can use any typical sockets.

DeWalt DCF510B 20V Cordless Ratchet: https://acmetools.pxf.io/Mm24gn
DeWalt DCF510GE1 20V Cordless Ratchet Kit: acmetools.pxf.io/KjORge

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