An all-purpose socket set typically includes a range of socket sizes to accommodate various fasteners. Common sizes in such a set are: 1. **Metric Sizes**: - Small: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm - Medium: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm - Large: 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm 2. **SAE (Standard) Sizes**: - Small: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16" - Medium: 11/32", 3/8", 7/16", 1/2", 9/16", 5/8" - Large: 11/16", 3/4", 13/16", 7/8", 15/16", 1" 3. **Drive Sizes**: - 1/4" drive for smaller sockets - 3/8" drive for medium sockets - 1/2" drive for larger sockets 4. **Additional Components**: - Deep sockets for reaching recessed fasteners - Spark plug sockets - Universal joints - Extensions for reaching tight spaces - Ratchets and adapters These sizes and components ensure versatility for automotive, household, and general repair tasks.

1. **Determine Usage**: Identify the primary tasks you'll use the socket set for, such as automotive repair, home maintenance, or professional work. 2. **Drive Size**: Choose the appropriate drive size. Common sizes are 1/4-inch, 3/8-inch, and 1/2-inch. Smaller sizes are suitable for light tasks, while larger sizes handle heavy-duty work. 3. **Socket Types**: Decide between shallow and deep sockets. Shallow sockets are for tight spaces, while deep sockets are for reaching recessed nuts. 4. **Material and Finish**: Opt for chrome vanadium steel for durability. A chrome finish resists corrosion and makes cleaning easier. 5. **Point Configuration**: Choose between 6-point and 12-point sockets. 6-point sockets provide a better grip on nuts and bolts, reducing the risk of rounding. 6. **Metric vs. SAE**: Determine if you need metric, SAE, or a combination set based on the fasteners you’ll encounter. 7. **Ratchet Quality**: Ensure the ratchet has a comfortable grip and a fine-tooth mechanism for better control in tight spaces. 8. **Set Size**: Consider the number of pieces. A basic set might suffice for occasional use, while a comprehensive set is better for extensive work. 9. **Brand and Warranty**: Choose reputable brands known for quality and reliability. Check for warranties that offer replacements for broken pieces. 10. **Budget**: Balance quality with affordability. Investing in a good set can save money in the long run by reducing the need for replacements. 11. **Storage**: Look for sets with a sturdy case for organization and portability. 12. **Additional Features**: Consider sets with extensions, universal joints, or adapters for added versatility.

Metric and SAE socket sets differ primarily in their measurement systems. Metric socket sets use the metric system, which is based on millimeters. These sockets are designed to fit nuts and bolts that are measured in millimeters, commonly used in vehicles and machinery manufactured outside the United States, particularly in Europe and Asia. SAE (Society of Automotive Engineers) socket sets, on the other hand, use the imperial system, which is based on inches. These sockets are designed to fit nuts and bolts measured in fractions of an inch, typically found in American-made vehicles and equipment. The key differences include: 1. **Measurement Units**: Metric sockets are measured in millimeters (e.g., 10mm, 12mm), while SAE sockets are measured in fractions of an inch (e.g., 1/2", 3/4"). 2. **Application**: Metric sockets are more common in international applications, whereas SAE sockets are prevalent in the United States. 3. **Compatibility**: Using the wrong type of socket can lead to improper fit, which may damage the tool or fastener. A metric socket may not fit an SAE bolt properly and vice versa. 4. **Availability**: In regions where one system is more prevalent, the corresponding socket set is more readily available. 5. **Identification**: Metric sockets are often marked with "mm" to denote millimeters, while SAE sockets are marked with fractional inch sizes. In summary, the choice between metric and SAE socket sets depends on the origin of the equipment or vehicle being serviced. Having both sets can be beneficial for versatility in handling a wide range of tasks.

1. **Cleaning**: After each use, wipe down sockets and ratchets with a clean cloth to remove dirt, grease, and debris. For stubborn grime, use a mild degreaser or soapy water, then dry thoroughly to prevent rust. 2. **Lubrication**: Apply a light machine oil or lubricant to moving parts of ratchets and extensions to ensure smooth operation and prevent corrosion. 3. **Inspection**: Regularly inspect sockets and ratchets for wear, cracks, or damage. Replace any compromised tools to maintain safety and efficiency. 4. **Organization**: Store sockets in a dedicated socket organizer or tray. This keeps them sorted by size and type, making it easier to find the right tool quickly and reducing the risk of loss. 5. **Storage Environment**: Keep your socket set in a dry, cool place to prevent rust and corrosion. Avoid storing in damp or humid areas. 6. **Case or Box**: Use a sturdy case or toolbox for storage. Many socket sets come with a case designed to hold each piece securely, protecting them from damage and making transport easier. 7. **Desiccants**: Place silica gel packets or other desiccants in the storage case to absorb moisture and further prevent rust. 8. **Avoid Over-Tightening**: When using sockets, avoid over-tightening fasteners, which can damage both the tool and the fastener. 9. **Labeling**: Clearly label your socket set, especially if you have multiple sets, to quickly identify the correct set for specific tasks. 10. **Regular Use**: Use your socket set regularly to keep the tools in good working condition. Tools that sit unused for long periods are more prone to rust and deterioration.

Yes, you can use an all-purpose socket set with power tools, but there are important considerations to ensure safety and effectiveness. First, ensure that the socket set is compatible with the power tool's drive size, typically 1/4", 3/8", or 1/2". Use impact-rated sockets for power tools, especially impact drivers or wrenches, as they are designed to withstand high torque and vibrations. Regular sockets may crack or shatter under such stress. Additionally, check that the socket set includes the necessary adapters or extensions for your specific tasks. Always follow the manufacturer's guidelines for both the power tool and socket set to prevent damage or injury.