10pcs LM8UU ball bearings+U-bolts+M3 locking screws upgrade for Prusa i3 MK2/MK2S/MK3 3d printer DIY parts

10pcs LM8UU ball bearings+U-bolts+M3 locking screws upgrade for Prusa i3 MK2/MK2S/MK3 3d printer DIY parts
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sku: 4000020637966
$21.61
Shipping from: China
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