日本大昭和BIG扭矩扳手MGR20/MGR30 Configured Specifications Product Category Attachments/Accessories φd(mm) 42 Conforming main body Mega new baby chuck: MEGA16N Mega E chuck: MEGA13E - - Product Description [Features] Mega torque wrench for mega chuck series. Equipped with torque limiter to protect equipment from machine over load.   Catalog