A steering device (100, 110) comprising: an inner column (51, 121) having a cylindrical shape and a first hole opened therein, the inner column (51, 121) rotatably supporting an input shaft connected to a steering wheel; an outer column (54, 122) having a cylindrical shape into which at least a part of the inner column (51, 121) is inserted and having a slit formed by notching one insertion side end of the inner column (51, 121); and an outer column bracket fixed to a vehicle body side member so as to support the outer column (54, 122) and to tighten the outer column (54, 122) along with telescopic friction plates having a plate shape; characterized in that the steering device (100, 110) comprises: an inner column bracket (4, 4B, 4C, 4D) having a second hole (43h, 43Bh, 43Ch, 431h, 432h) opened therein, the inner column (51, 121) supported by the telescopic friction plate; and a connection member provided at a position straddling the first hole and the second hole (43h, 43Bh, 43Ch, 431h, 432h), and the connection member detachably connecting the inner column (51, 121) and the inner column bracket (4, 4B, 4c, 4D) to each other, wherein each of the telescopic friction plates are disposed at both sides of the outer column (54, 122), and wherein the inner column bracket (4, 4B, 4C, 4D) includes an arm portion (41, 41C) connecting the telescopic friction plates disposed at both sides of the outer column (54, 122), a neck portion (44, 44C) projected from the arm portion (41, 41C) in a direction perpendicular to the length direction of the arm portion (41, 41C), and a leg portion (43, 43B, 43C, 431, 432) provided at an end opposite to the arm portion (41, 41C) of the neck portion (44, 44C) and contacting the inner column (51, 121). an inner column (51, 121) having a cylindrical shape and a first hole opened therein, the inner column (51, 121) rotatably supporting an input shaft connected to a steering wheel; an outer column (54, 122) having a cylindrical shape into which at least a part of the inner column (51, 121) is inserted and having a slit formed by notching one insertion side end of the inner column (51, 121); and an outer column bracket fixed to a vehicle body side member so as to support the outer column (54, 122) and to tighten the outer column (54, 122) along with telescopic friction plates having a plate shape; an inner column bracket (4, 4B, 4C, 4D) having a second hole (43h, 43Bh, 43Ch, 431h, 432h) opened therein, the inner column (51, 121) supported by the telescopic friction plate; and a connection member provided at a position straddling the first hole and the second hole (43h, 43Bh, 43Ch, 431h, 432h), and the connection member detachably connecting the inner column (51, 121) and the inner column bracket (4, 4B, 4c, 4D) to each other, wherein each of the telescopic friction plates are disposed at both sides of the outer column (54, 122), and wherein the inner column bracket (4, 4B, 4C, 4D) includes an arm portion (41, 41C) connecting the telescopic friction plates disposed at both sides of the outer column (54, 122), a neck portion (44, 44C) projected from the arm portion (41, 41C) in a direction perpendicular to the length direction of the arm portion (41, 41C), and a leg portion (43, 43B, 43C, 431, 432) provided at an end opposite to the arm portion (41, 41C) of the neck portion (44, 44C) and contacting the inner column (51, 121).