Will these fuse plastic mesh bags

Not sure what you mean by fuse but they are merely just serated rollers.

Do these tear the foil or damage the sound deadening skin due to the metal rollers?

I used noico sound deadening and this didn't ruin it at all. It worked great. The only time it did anything was when there was a gap under the layer and I tilted the roller on a angle to get in crack and it did rip it. But that was my fault for not laying the deadening material in the crack better. But with 3 different dice rollers it can do almost everything. They are just rollers .I like the the bumps on it because it really shows where you already rolled and you know you did the whole sheet.

ASIN	B07TV19PQF
Best Sellers Rank	#135,852 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #64 in Automobile Insulation Application Roller
Country of Origin	USA
Item Weight	721 g
Item model number	iphone
Manufacturer	FCHO
Net Quantity	3.0 Count
Package Dimensions	21.01 x 12.19 x 8 cm; 721 g

Car Sound Deadening Roller Metal Installation Tool 3 Pcs for Auto Noise Roller Car Sound Deadener Application Installation Tool Rolling Wheel Interior Accessories

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