Application Fit for robot coupe R100B, R100BCLR, R101B, R2, R2B, R2U, R2 DICE, R2 Ultra, R2N commercial cutter mixer. NOTE:105236、106458 and 106458s are the same type of lid, they are aliases for 106458s. Perfect Curve Design The perfect curve design ensures the food is safely left in the bowl during food processing. You can add ingredients even when the food processor is running. Installation Easy to install. Simply put the lid on the bowl and turn the ramp slightly, then the ramp will lock in place over the safety switch rod. With this design, the lid will fit tightly onto the bowl when the food processor is in operation. Easy to Clean .