This is a genuine replacement part sourced from the original manufacturer for use with power tools. The metal screw is commonly used with several different types of power tools, and the application of the screw can vary based on the model of the power tool. This screw is available as an individual replacement part, please see model diagram for part location and usage.
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.
Genuine OEM replacement part, this part is sold individually. This part is used on all of the saws shown below. The purpose of the Shoe Assembly is to press it to the material being cut to make a better cut and less vibration to the user. It can be adjusted for different length of blades, it also pivots for angle cuts. It is advised to always use this part. Otherwise you could cause damage to the saw.