HHIP 3900-0595 ER-32 Spanner Hook Wrench for ER Chuck Nut, 45-52 mm Go to amazon.com Related posts Expert choice for er32 wrench FeatureFits ER-32 Open(mm) 45-52OAL(mm) 190Hardened Tool Steel DescriptionHHIP Tools provides the finest quality tools and their goal remains in providing you highest quality products.