Dynamic Drill Doctor Large Chuck, Black, Plastic and Metal "nutool cordless" Questions

NUTOOL CORDLESS DRILL THE CHUCK IS JAMMED ON MY DRILL. HOW CAN I GET IT LOOSE.OR WHERE CAN I GET A NEW ONE. spray the chuck with wd40 and chap it with a hammer or off a solid wall

...of spares, the make is NUTOOL lost me on the brand name " NP 182 " has to come out of one of the better known cordless drill factory makers or selling outlets try ebay ... free online selling ...