Gib, X1 Micro Mill Y-Axis, 260 mm 

Specifications

Length	10.2" (260 mm)
Width	0.4" (9 mm)
Thickness	0.1" (3 mm)

In your instruction manual, this part appears on the parts list as:

Item No	Models
9	LittleMachineShop.com 4660 HiTorque Micro Mill LittleMachineShop.com 4700 HiTorque Micro Mill

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