The Socket Tap Holder Adjustable 2Pc 3-12mm 3/8" Square F Set is a tool set designed to securely hold taps and other fittings during threading or installation tasks. The adjustable design allows the holders to accommodate tap sizes ranging from 3mm to 12mm, providing versatility for various threading applications. The 3/8" square drive ensures a firm grip, allowing for easy attachment to ratchets or wrench handles for efficient use. This set is ideal for professionals working with taps in mechanical, plumbing, or automotive applications, providing a reliable and adjustable solution for precise threading.