■ Floating Balls:

• 3-point ball mechanism  Rolling extension, the operation can easily slide the mask plate into position

■ External Dimensions Weight:

• 3" Dimensions: w.115mm x h.115mm

• 4" Dimensions: w.167mm x h.153mm

• 5" Dimensions: w.166mm x h.166mm

• 6" Dimensions: w.206mm x h.198mm

■ heavy   quantity:

• Weight about 0.55kg

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