... /4'' CR-V 61 Specification:1,name: mechanical ratchet wrench 1/2'',3/8'',1/4''dr hand tools ... inch3/8''-24/45teeth8'' inch1/4''-24/45teeth6'' inch SPECIFICATION ratchet wrenchDIA/ ΦLength1/2''- 24Teeth16mm250mm3/8''- 24Teeth14mm200mm1/4"- 24Teeth10mm150mm1 ... grinding,polishing,electroplating→dimension inspection →hardness test→tension test,torque test profileVerification Type:third- Date of Issue:2006- ...