4 Way AC Gauge - AC Manifold Gauge Set for R134A R22 R12 R410A Refrigerant,Freon Gauges with 5ft Hoses, Couplers, Can Tap Dog Trainings there is a screw on

there is a screw on the pedal to adjust the constant speed and rotating speed

an 8-piece wooden toolset

20 Buzzers Touch Screen

Cutting Length: 39

4 Way AC Gauge - AC Manifold Gauge Set for R134A R22 R12 R410A Refrigerant,Freon Gauges with 5ft Hoses, Couplers, Can Tap Dog Trainings there is a screw onFeatures & Details Compatible with 4 Types of Refrigerants: Our professional four way manifold gauge set is compatible with R134A, R12, and R410A refrigerants. The AC gauge set is suitable for automotive car HVAC, household air conditioning, and refrigerator maintenance. You can easily enjoy the DIY operation process at home. 4 PCS Reinforced Hoses: Our ultra long 5 foot Freon hoses come in a set of four and are made of PVC with four reinforced