10PCS Inner Dia. 2.1/3.1/4.1/5.1mm Wheel Gear Lock Metal Axle Stopper Shaft Positioning Sleeve with M3 Fixed Screw for DIY Model(4.1mm)

Description

Specifications:
- 2.1mm: Inner diameter 2.1mm, Outer diameter 6mm, Height 4mm, set with M3 screw
- 3.1mm: Inner diameter 3.1mm, Outer diameter 8mm, Height 4mm, set with M3 screw
- 4.1mm: Inner diameter 4.1mm, Outer diameter 9mm, Height 5mm, set with M3 screw
- 5.1mm: Inner diameter 5.1mm, Outer diameter 10mm, Height 5mm, set with M3 screw
Package included:
10pcs x wheel collar

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