I saw the accessory screw protruding out from the photo, but it was a flat screw.
The center of the metal fitting is a hexagonal shaft and can be fastened tightly.
So, a hexagonal shaft wrench is required.
Also you can use hot water when asked. However, it is condition to use at 80 ℃ or less.
I think that the goods are as good as the other makers as well as good.
How to Buy (Negara pengiriman : Malaysia, Singapura, Thailand, and more)
Semua produk tawaran MonotaRO Singapura tertakluk pada undang-undang, peraturan, dan standard pensijilan tempatan Jepun. Sila pastikan ia mematuhi atau tidak mematuhi keperluan negara anda dan/atau organisasi antarabangsa, termasuk tetapi tidak terhad pada, Pensijilan UL, sistem Sijil Wajib Halal, dan Halal.
MonotaRO Co.,Ltd. Hyogo Public Safety Commission No.631330800020