Made of positive material, extra . Easy to disassemble and install. A vast substitute kits in your vacuum cleaner. Exquisite and delicate, extremely match with the equipment As part of steady maintenance, it may be easily eliminated and changed Applicable Models: (For 3C Enhanced Edition) For Robot Vacuum E10 B112 For Robot Vacuum E12 C103 Colour:white+black Material:plastic type:Left and Right Package Contents: 2 x Wheels 1 x screwdriver Only the above kit content, diverse merchandise will not be included. Note: Light reflection and assorted reveals can cause the color of the article in the photo slightly diverse from the genuine thing. The size allowed error is +/- 1-3cm.