KittenBot 2Pcs Robot Chassis Universal Wheels With M3 Screw ForSmart Car Kit

Features 1 KittenBot caster with the metal ball white ABS PC case support wheel for KittenBot basic mobile platform robot design2 Compatible with commonrobot chassis such as 3Pi robots3 The universal wheel can be mounted to the chassis via the four screw sets included in the kit The specifications of the two screw holes are M3Specifications 2 x 12mm diameter metal balls and 4 x M3 screw caps 4 x M3 screw caps Length 2 2cm Width 1 6cm Height 1 5cm Product Weight about 20gPackage Included 2 x Robot Chassis Universal Wheels