The IKEA Hejaren toilet-brushes come without a handle. If you made a mistake like me and didn’t order a handle-set with it … this is your solution! Link to the OnShape-Model: https://cad.onshape.com/documents/3bfcef6955bfc6bd9a6fa532/w/8497c9814c40cb894ebbf701/e/8b2793719db061e2361f047a