HVAC professional tools and port adapters kit: 1/4+5/16", 1/2 ACME, 14 and 16 mm Ports, dual Size Schrader Valve Core Remover/Installer Changer, hand valves and more This kit of tools and adapters is designed for the professionals so he will find them handy at job site for all the service they may face and need, never get stuck get the job site:FEATURES:This kit includes:CV23p: a pair of adapters with hand valve for flow control: 1/4 MFL X 5/16 FFL, for R410a serviceCV32S: a set of 3 adapters with hand valve for flow control: 5/16 MFL X 1/4 FFL, for R410a manifold for 1/4 port serviceCV24p: a pair of adapters with hand valve for flow control: 1/4 MFL X 1/2 Female ACME FFL, for R134a serviceQCPL: a pair of quick couplers adapters to car/boar AC port: for HVAC serviceTap1: a R134a canister tap adapter or can opener, for charging R134a to car ACC24 and C42: a pair of reversed thread from 1/4 flair to 1/2 ACME so you are covered either way you want to go.AT212: 1 Tee adapter 1/4 FFL X 1/8 FNPT X 1/4 MFLCT122: a ratchet wrench for square valve in some system ports to open or close; 4sizes: 1/4,3/16, 5/16, and 3/8 " square wrenchVT2: Valve core remover installer for R22 and R410a systems, to change the damaged valve core in charged systems.A Pack of 10 Schrader Valve core replacements: Compatible for All refrigeration systems, R410a included, to replace the leaking/damaged valve cores.over $200 retail value if buyer separately, even at the discounted prices!Please see each item for details if needed in their category. Buy it now for $139.77, More information and tools tools available at https://www.viot.us/HVAC VIOT, located in Champaign IL, is proud to be an alternative source for quality HVAC tools serving the HVAC community for almost a decade . Here is a partial list of what we supply: Vacuum pumps, from 1.5 CFM to 12 CFM, single stage and dual stage, over 10 models to choose from, Clamp meters and multimeters, more functions get the job done easier. Halogen and gas leak detectors, find the hard-to-find leaks and fix it, Manifold Manometer gauge sets and hoses. Refrigerant Recovery Unit Refrigerant Charging Weighing Scales Digital thermometers, infrared (non-contact) thermometers, Hygrometers Manifold gauges, manometers for system diagnosis Oil and Florescent dye injectors Tubing tools, tube cutters/benders Valve tools, valve core remover/installer, Ratchet wrenches, valve cores and add-on valve/service port. Car AC attaching /recharging tools, quick connectors Temperature/Humidity sensors and monitoring devices, Motor start/run capacitors, 5 μFD to 50 μFD, dual capacitance available. AC HVAC Tool parts, accessories, etc Check with us for specials and discounts often. They change from time to time VIOT eCRATER Store Terms and Policy QUESTIONS/CONTACT Hours of operation are 9AM E.S.T to 5PM E.S.T Monday - Friday, excluding Federal Holidays. Please send your initial correspondence through the "Ask Seller a Question" link above - making sure to uncheck "hide email address from seller" - then look to the email address you have registered with eCRATER for our response. VIOT & Associates reply directly to the email address you have registered with eCRATER or respond using bays's messaging system whichever we prefer. DO NOT put any correspondence in your PayPal payment, we will not receive it. DO NOT send any correspondence through eCRATERs's checkout service, we will not receive it. VIOT & Her Associates strive to respond to email within 24 hours. WARRANTY, EXCHANGES AND OR RETURNS This listing is covered by our seven (7) business day return/exchange policy. If the item in this listing is not as described, pictured, or does not function as it should, please contact us to obtain an RMA number. The only exception is on used items that are not within 'calibration specifications' since we cannot determine these. These items will be covered by a seven (7) business day DOA (Dead On Arrival) warranty and can be returned/exchanged only if the item is received DOA (does not turn on at all). Please understand our return/exchange policy has nothing to do with items damaged during shipping. Any damage described in the listing, as well as any type of component item, such as capacitor, thermocouples, batteries (new or used), fuses, or easily scratched materials (plastic/paint) etc. are not covered by this warranty. The retail box of items described as new are also not covered by this return/exchange policy, just the contents of said box. Clearly Speaking, the vacuum pumps, clamp meters and multimeters, manifold gauges, manometers, recovery units are covered by an one year warranty; digital scales, digital thermometers of any kind, small tools and adapters/connectors are covered by a 30-day warranty; capacitors and thermocouple thermistors are warranted to be Not-Defective-on-arrival. Data from this product has been compiled from many sources, and may contain errors of omission. In no way is our listing to be considered definitive and the final decision of an item being fit for a certain purpose is the responsibility of the buyer. Please practice wise purchase choices when deciding if our item will work for your particular purpose.