I always like a challenge but this was too easy to find online. Did you really look?
Beli Tongkat Pentungan Pemukul Polisi Security BATON Stick POLICE Pendek
https://tokopedia.link/ALxKN7m5dW di toko MR MIYAMOTO Rp55.000 di Tokopedia Sekarang!
Oh and just search by tongkat security or baton security or similar. Lots and lots to choose from