Drunk Wheel Metal 12.7 mm

Drunk wheel kit, black ABS housing, 12.7mm diameter metal ball, two spacers (1.59mm   and 3.175mm thick) and includes two 11.11mm #2 screws and nuts. Total height of caster wheel, 13.5mm, about 17.78mm using spacers. The two included #2 screws can be used to mount the ball wheel to your chassis, or you can use your own #2 or M2 screws if your application requires a different length. Remember that it is designed for; They are not intended to carry more than a few pounds. With more weight than this, friction generally prevents rolling.