Its resistant finish and ergonomic design minimize tool slippage during operations, making it indispensable Features a inch, internal square drive bore for seamless compatibility with standard equipment, paired with a versatile extension for enhanced accessibility in tight spaces Ideal for HVAC technicians, appliance repair specialists, and enthusiasts requiring tools for refrigeration repairs and copper tube modifications Engineered with a multi size design and premium carbon steel construction, this socket wrench set with extension ensures for appliance maintenance for extraction, copper / water tube flaring tasks, and routine maintenance of air conditioners, refrigerators, and household appliances in workshops or field service scenarios, Manufacturer: XIAOQENAN