Thanks to a member here mentioning the boot for the smallest impact (modified DCF887), the collection is complete! : r/Tools
Detent is the way to go And plastic protective boot cover info Buy that also
Finally got the new stubby DeWalt impact. Struggled finding one in the UK that wasn't crazy money and my old Mac dealer came to say hello at my new work after a
DEWALT Protective Rubber Boot for DCF900 - Contractor Cave Tools
DEWALT 20V MAX XR Cordless Brushless 1/2 in. Mid-Range Impact Wrench with Detent Pin Anvil and Tool Connect (Tool Only) DCF896B - The Home Depot