The Bosch Expert ‘Cement Cast Iron’ Reciprocating Saw Blade might look shiny, but it’s at home on the toughest work sites and excels at the worst jobs: it can cut cement-lined ductile iron pipes and survive. Flash this blade in a muddy ditch, where only a recip saw can reach the water pipes you need to cut: The Bosch Expert ‘Cement Cast Iron’ Reciprocating Saw Blade is not afraid to get dirty. Fits all S-shank reciprocating saws sometimes called sabre saws or demolition saws.