Bosch Flat chisel 30mm Hex and Shank 400mm X 35mm Gibadi Limited is the distributor of Bosch power tools in Nigeria, Our Bosch Flat chisel 30mm Hex and Shank 400mm X 35mm is ideal for the toughest requirements in construction, material removal rate is very high. Features of this tool Total length 400MM. Chisel cutting edge 35MM Shank, shape 30MM Hexagon