Insul8
Insul8 11092 Terminal Plug Kit
What I appreciate about Mitutoyo is the smooth rack and pinion action.
Insul 8 256B Plastic Cover (Pack of 3)
What stands out about this is the hardened steel material, which resists bending under heavy loads.
Insul 8 256B Plastic Channel Cover (Pack of 2)
You will find the 791909-1 straightforward to install with basic tools.