This is a genuine Porter Cable replacement part, it is sold individually. A Cord Strain Reliever is used on most all power tools. It purpose is to reduce the bending of the cord as it comes out of the housing, which otherwise would cause the cord to crack and wear.
This authentic blade bolt and flange conversion kit is sourced from original manufacturer for use with circular saws. This kit converts your saw from a locking blade clamp to a standard blade clamp. It includes one (1) outer and one (1) inner flanges as well as the blade bolt and a wrench to install/remove it.