• Steel ball diameter 15.8mm
• Overall length 49mm
• Mounting hole distance 39mm
• Total width 32mm
• Total height 22mm
• Individual weight of about 0.04 kg
• More details, please visit: //github.com/SmartArduino/SZDOITWiKi/wiki

• Universal wheel: 1pcs

1. Due to computer monitor and the actual shooting brightness and other reasons, there will be a certain color difference.
The final color please refer to our actual goods. Please know this before you buy it. Thank you !
2. The picture we show is 100% Real Object Photography.
3. The size may have 2-3cm differs due to the maunal measurement.
4. For the shipping convenience, the product is unassembled.

1. Preparing Time: we need 2-5 working days to prepare your order according to our numerous orders every day.
2. Free Shipping for worldwide if you choose China Post.

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p style=”color: #333333; font-family: arial , verdana , sans-serif; font-size: 12.0px; font-style: normal; font-weight: normal; line-height: normal;”>Note:
The information of new tracking number for China Post Ordinary Small Packet Plus can not be tracked when it is shipped out of China. Whether it is arrived or not，it will no more tracking information.
Please choose China Post Air Mair if you want a full tacking information.
Tracking information of China Post Ordinary Small Packet Plus can be checked here: www.17track.net.