Broad applications: ideal for use in mechanical engineering, automotive, and furniture industries; meets a wide range of requirements; includes spring ball detent plunger and hand plunger. Easy to use: simple operation enables fast installation and removal, improving workflow and reducing downtime; steel spring latch pin for trailer doors; spring button pop pin for lifting. Reliable and stable: ensures steady performance by securely fixing and positioning parts, preventing unwanted movement or loosening; knurled button plunger; spring loaded push pin. Wide compatibility: suitable for a wide range of industries including mechanical engineering, automotive, and furniture; available in multiple sizes to meet different needs; spring locking pin; accessories for hitch trailers. Use scenarios: - In machine tool fixtures to fix and position parts during machining. - In automotive assembly for quick tool free clamping and adjustment of components. - In furniture production and trailer hitch setups for fast, secure assembly and reliable locking.