1. N42, 0.33mm±0.01mm OD x 0.120mm±0.01 ID x 1.20±0.03mmthk (M), Parylene-coated.
2. N52, 0.25mm±0.01mm OD x 30.0mm±0.05 thk (M)
3. N52, 0.20mm+0.02mm OD x 15.0mm±0.05 thk (M)
micro NdFeB rods and ring is our recommended product. We,SENS Magnetic Products, Inc is an micro NdFeB rods and ring and SmCo permanent magnet manufacturer in Hangzhou ,China. We supply first-class permanent magnetic products.