A blade for a demolition shear, said blade comprising: a first longitudinal side wall (402, 1702, 2002, 2102, 2502, 3002, 3202); a second longitudinal side wall (403, 1703, 2003, 2103, 2503, 3003, 3203) spaced apart from said first longitudinal side wall; a first end wall (404, 1704, 2004, 2104, 2504, 3004, 3204) extending between a first end of said first longitudinal side wall and a first end of said second longitudinal side wall; a second end wall (405, 1705, 2005, 2105, 2505, 3005, 3205) extending between the second end of said first longitudinal side wall and a second end of said second longitudinal side wall; and a front wall (406, 1706, 2006, 2106, 2506, 3006, 3206) which extends between said first and second end walls and between said first and second longitudinal side walls; said first and second longitudinal side walls, said first and second end walls, and said front wall forming at least one cavity there between; an intersection between said first end wall (404, 1704, 2004, 2104, 2504, 3004, 3204) and said front wall (406, 1706, 2006, 2106, 2506, 3006, 3206) defining a first piercing tip (413, 1714, 2017, 2113, 2513, 3018, 3214); and an intersection between said second end wall (405, 1705, 2005, 2105, 2505, 3005, 3205) and said front wall (406, 1706, 2005, 2506, 3006, 3206) defining a second piercing tip (414, 1715, 2018, 2114, 2514, 3019, 3215); said first and second longitudinal side walls said first and second end walls and said front wall being formed as a single body; and characterised in that each of said first and second end walls comprises a corresponding respective protrusion which faces inwardly into said at least one cavity (602, 602', 1801, 1801', 2130, 2130', 2701, 2701', 3101, 3101', 3223, 3223'); said blade for a demolition shear being indexable between a first position and a second position; wherein, in said first position, the first piercing tip is presented for piercing use and in the second position the second piercing tip is presented for piercing use. a first longitudinal side wall (402, 1702, 2002, 2102, 2502, 3002, 3202); a second longitudinal side wall (403, 1703, 2003, 2103, 2503, 3003, 3203) spaced apart from said first longitudinal side wall; a first end wall (404, 1704, 2004, 2104, 2504, 3004, 3204) extending between a first end of said first longitudinal side wall and a first end of said second longitudinal side wall; a second end wall (405, 1705, 2005, 2105, 2505, 3005, 3205) extending between the second end of said first longitudinal side wall and a second end of said second longitudinal side wall; and a front wall (406, 1706, 2006, 2106, 2506, 3006, 3206) which extends between said first and second end walls and between said first and second longitudinal side walls; said first and second longitudinal side walls, said first and second end walls, and said front wall forming at least one cavity there between; an intersection between said first end wall (404, 1704, 2004, 2104, 2504, 3004, 3204) and said front wall (406, 1706, 2006, 2106, 2506, 3006, 3206) defining a first piercing tip (413, 1714, 2017, 2113, 2513, 3018, 3214); and an intersection between said second end wall (405, 1705, 2005, 2105, 2505, 3005, 3205) and said front wall (406, 1706, 2005, 2506, 3006, 3206) defining a second piercing tip (414, 1715, 2018, 2114, 2514, 3019, 3215); said first and second longitudinal side walls said first and second end walls and said front wall being formed as a single body; and characterised in that each of said first and second end walls comprises a corresponding respective protrusion which faces inwardly into said at least one cavity (602, 602', 1801, 1801', 2130, 2130', 2701, 2701', 3101, 3101', 3223, 3223'); said blade for a demolition shear being indexable between a first position and a second position; wherein, in said first position, the first piercing tip is presented for piercing use and in the second position the second piercing tip is presented for piercing use.