Grøntklima 16091030 is a Pro torque wrench set supplied in a carrying case with 1/4, 3/8 and 1/2 inch drives, specified for use with R410a and R32 refrigerants. The set delivers pre-set torque on flare fittings during refrigeration and air-conditioning service work, protecting the flare from over-tightening. Typical use is on split-system and heat-pump installations.