ANEST IWATA WIDER4-12J2 1.2 mm Successor Model W-400-122G Select no / with Cup. ANEST IWATA WIDER4-13J2 1.3 mm Successor Model W-400-132G Select no / with Cup. ANEST IWATAWIDER4 Series. ANEST IWATA WIDER4-16J2 1.6mm Successor Model W-400-162G Select no / with Cup.