ANEST IWATAWIDER4 Series. ANEST IWATA WIDER4-25W1 2.5mm Successor Model W-400-251G Select no / with Cup. ANEST IWATA WIDER4L-V14J2 1.4mm Successor Model LPH-400-144LV Select no/with Cup. ANEST IWATA WIDER4L-V16J2 1.6mm Successor Model LPH-400-164LV Select no/with Cup.