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●Super ball-point wrench : speedily fit hexagon socket head cap screw it because the tip processed to ball shape. ●Hexagonal wrench : WISE hexagonal wrench beveling minutely end surface and a C surface it makes wrench easily fit hexagon socket head cap screw. ""Made in JAPAN, Made of High quality chrome vanadium. Formality of processing : Hot bent is hard to get broken and it makes the progress of high precision which is nearly right angle a reality, Formality of heat-treatment : Taking up the Method of ""FULL NON-OXIDATION DECARBURIZATION CORRECTION HARDENED"". It makes tool's hardness keep in uniformity level. Formality of surface : Surface of treatment of WISE is by special chrome plate for beauty and long life."