The DEWALT DW4892 12-piece reciprocating saw blade set with case provides a wide selection of blades for many common applications. The included case expands to hold 9″ blades and is designed to fit in DEWALT power tool kit boxes for easy blade storage. This set includes three DW4802 6″ 6-TPI woodcutting blades, two DW4811 6″ 18-TPI metal cutting blades, three DW4809 8″ 14-TPI metal cutting blades, three DW4803 9″ 6-TPI woodcutting blades, and one DW4865 9″ 10-TPI demolition blade.