A useful tool for removing sealant (9.5mm diameter). The blade can be broken off as needed.

Sealant Removal Tool - Can be used with broken blades. Includes 10 free broken blades.
Even amateurs can remove sealant.

This is a handy tool for sealant removal.
1 piece: ￥2,990
2 pieces: ￥5,000
Includes 10 free broken blades.

Even amateurs can remove sealant.
You can attach broken blades, which helps reduce costs.
This is a sample shown in the photo. Please note that there may be slight variations due to the manufacturing process.