Cordierite Refractory Bobbin Set has tolerance up to 5 mm ± 0.15 mm, 5 to 10 mm ± 0.20 mm, over 10 mm ± 2% mm. The Bobbin Set can be availed in various sizes such as 25 mm, 31 mm, 36 mm, 46 mm and 54 mm. The Bobbin Set is made using quality grade material that ensures good quality. The Cordierite Refractory Bobbin Set can be availed in various specifications.