This is a Genuine OEM DeWalt Part.  

This is Part #50886-01 Guard.  This assembly is compatible with several models including:  SEE BELOW FOR MODELS.  Please make absolutely sure this part fits your model before purchasing. 

DeWALT
DW493 Type 1 Sander/Grinder
DW494 Type 1 Sander/Grinder
DW4707 (Type 1) 7 Inch Guard
DW4718 (Type 1) Guard Kit

Black and Decker
27713 Type 1 7 Inch Angle Grinder
Q510 Type 1 Large Angle Grinder
4255 Type 100 Compact Angle Grinder
40497 (Type 1) Wheel Guard Kit-7 Inch
50885 (Type 1) Guard Assembly-7 Inch

SPECIAL NOTE:  Our new DeWalt parts are all genuine OEM made for DeWalt service.  None of these are third party, off-brand parts.  We will warrant these parts as new and working upon arrival, however, we will not warrant if you bought the wrong part or damage it during installation, so be careful when ordering and in your self-service.