Cutting-edge style KNOCKOUT PUNCH DIE

ROUND TYPE; MILD STEEL MATERIAL; STANDARD THREADED KNOCKOUT PUNCH UNIT USED ON; 4-1/2 INCH DESIGNATED SIZE; DIE; SLUG-BUSTER USED ON MODEL/BRAND; 742BB USED ON ITEM PART NO.; 4 INCH CONDUIT/PIPE SIZE; SLUG-BUSTER[R] BRAND