Features: Professional valves cores removal installer with SAE 1/4 & 5/16 port features chromiums vanadiums steel construction, delivering high torqued resistance for stubborn coppers valves cores removal in plumbing/HVAC maintenance. Multifunctional 4 in 1 wrench set includes 1/4", 3/8", 3/16", and 5/16" adapters, compatibles with 95% mainstream brands for precise fittings. Ideal for HVAC technicians, property maintenance, and DIYer enthusiasts requiring reliable tool for air conditioning repairs or bathroom fixture replacements. Engineered for wet environment with grip teeth and ergonomic antislip handle, perfect for rusted valves extraction in basements, commercial kitchens, or outdoor plumbing systems. Complete HVAC service wrench set includes 10 steel valves cores and hex bit adapters, achieving great success rate in old faucet renovations with quick installation. Specifications: Component: Alloys Size: As shown Color: As shown Package Includes: 1 set Valves Cores removal Kit note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color the item.