an apparatus and method for terminating crosswires on a tension focus mask . the apparatus includes a set of base segment side rails each having a length and two respective ends . a pair of square tubes attached perpendicular to the respective ends of said base segment side rails to substantially form a rectangle . also included are a pair of massive side rails having a length and two respective ends mounted above said base segments perpendicularly to said square tubes on each of the side rapid . beam shield is offered to the massive side rail and insulating members are sandwiched between the side rail and a bus bar . finally , a tension mask is attached and crosswires are laid and affixed to the bus bar .