Can this be used with wood filler to repair decayed wood?

My answer is maybe. It would depend whether or not there are any aromatic solvents in the wood filler. The bull nose trowel is made of plastic and would probably be ruined if it came in contact with any super solvents such as acetone, mek (methyl ethyl ketone) etc. If the wood filler doesn't have any strong solvent odors then it would probably make a fine mold to make 3/4" round corners...it sure does a fine job with drywall mud on a bull nose corner. Hope this helps you out, good luck with your project. Bob W.

Is this food grade plastic?

Probably not and it doesn’t matter. This is for rounded corners on wall.

Can this be used as a cement edger for minor end of driveway repairs.

Yes, this could be used for a bullnose on any form of shaping material such as cement/concrete but keep in mind the item is designed for corner bead mudding to provide a smooth finish corner for minor sanding, just keep in mind this item is made of a plastic material and using on cement might act like sandpaper and wear it down more, so for a one time project maybe two, this will do the job.

Can it be used for inside corners?

If you mean the inside corner as in spin the piece around that won’t work. There’s too much of a graded area behind it so it’ll stick out from the wall a quarter inch.

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Description

🛠️ Nail every corner with precision and ease!

ERGONOMIC GRIP - Comfort-first handle reduces hand fatigue during extended use
FEATHERLIGHT DESIGN - Ultra-light 0.32 oz weight means less strain, more control
LIFETIME RELIABILITY - Backed by a limited lifetime warranty for long-term peace of mind
FLEXIBLE PLASTIC BLADE - Durable yet flexible design to smoothly knock down mud without cracking
PRECISION BULL NOSE EDGE - Perfectly shaped 3/4" blade for flawless outside corner finishes

The Warner ManufacturingTool 148 is a specialized 3/4" outside bull nose corner trowel featuring a flexible plastic blade and ergonomic handle. Designed for quick and smooth mud knockdown on outside corners, it weighs just 0.32 ounces and comes with a limited lifetime warranty, making it a must-have for pros seeking precision and comfort.

Specifications

Material	Plastic
Color	Multicolor
Brand	Warner Manufacturing
Item dimensions L x W x H	0.5 x 2.13 x 8 inches
Item Weight	9.07 g
Style	Outside Bull Nose
Handle Material	Plastic
Blade Material	Plastic
Is Foldable	No
Grip Type	Ergonomic
UPC	048661001486
Global Trade Identification Number	00048661001486
Manufacturer	Warner Manufacturing Co.
Part Number	148
Item Weight	0.32 ounces
Product Dimensions	0.5 x 2.13 x 8 inches
Item model number	148
Power Source	Hand Powered
Item Package Quantity	1
Included Components	trowel
Batteries Included?	No
Batteries Required?	No
Warranty Description	Limited Lifetime

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