1.tool holder for turning with stable quality . 2.application in turning, coping, facing and chamfering 3.42CrMo grade Cutting Tools Features: 1.for levering lock system,wedging clamp on system,multi-lock system,screwing on system and clamping on system.2. application in turning,coping,facing and chamfering.Designation:ACLNR/L1616H12ACLNR/L2020K12ACLNR/L2525M12ACLNR/L3232P12 EXTERNAL HOLDER