Product Features & Basic Specifications Feature: Double the Work with One Saw A convenient double-edged saw that can be used from either side. Replacement blade for D-type pipe saw My grandfather, who was a carpenter, had purchased this. Please understand that this item has been stored at home for a long time before purchasing. The packaging may be folded for shipping. The top of the package has been opened, but there is no sign of use. Please check the images.