Product: A pair of inner and outer corner tools, inner corner trowel, wall corner plastering tool, outer corner trowel, perfect 90 degree right angle when plastering around the groove
Brand: zeng
The perfect 90-degree right-angle plastering tool: 
Inner and outer right-angle spatula is an ideal tool for dealing with inner and outer right angles. 
Provide you with a perfect 90-degree right angle with minimal workload. 
Material: stainless steel. 
The product is very durable and can easily achieve perfect 90-degree right-angle outer and inner angles. 
Packing includes: a pair of inner and outer right-angle spatulas: 
Internal corner knife, 1.57" x5.7". 
 External corner knife, 1.57" x5.7". 
Note: The product is welded by stainless steel, there will be welding spots at the welding place, which will not affect the use. 
The edges of the product are a bit sharp. Please rub with sandpaper or grindstone before use to avoid hurting your hands.
Material: Stainless steel. A pair of inner and outer corner trowels: inner corner knife, 1.57" x5.7". Outside corner knife, 1.57" x5.7". Material: Stainless steel. This product is very practical. Use simple inside and outside corner tools to achieve perfect 90-degree right-angle plastering.
The inner and outer corner trowels are your tools for plastering wall corners and provide you with a perfect 90-degree right-angle tool.
The inner corner tool can easily achieve a perfect 90-degree outer angle when applying mud on the corner of the wall. The external angle tool can easily achieve a perfect 90-degree internal angle when applying mud around the groove.
A pair of inner and outer angle tools can easily realize 90-degree right-angle processing of the outer angle and 90-degree right-angle processing of the inner angle.
The right-angle trowel can be used for drywall and plastering work. It is the perfect tool to handle plastering angles at an ideal 90 degree angle with minimal effort.The edges of the product are somewhat sharp, so rub it with sandpaper or grindstone before use to prevent injury to your hands.

Search query: inside corner knife
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