187pcs professional tool set

Common Contents of a 187-Piece Toolset

1. Fastening and Loosening (Wrenches & Sockets)

This is usually the largest section and is designed for automotive, machine, and general repair work.

• Ratchet Handles: Usually 1/4″ drive and 1/2″ drive.
• Sockets: A wide selection of 1/4″ and 1/2″ drive sockets in metric (mm) sizes (e.g., 4mm up to 30mm).
• Accessories: Extension bars, universal joints, and sliding T-bars for different angles and depths.
• Combination Wrenches: A set of common metric open-end and box-end wrenches (e.g., 8mm to 19mm).
• Hex Keys (Allen Wrenches): A set of various sizes.