Kastar Hand Tools 522 19-Piece Magnetic Socket Inserts Standard & Metric

The Kastar Hand Tools 522 is a versatile 19-piece magnetic socket insert set that combines both SAE (standard) and metric sizes for comprehensive coverage of your fastening needs. These innovative magnetic inserts transform any compatible socket into a magnetic holder, providing secure retention of fasteners during installation and removal.

Key Features:

• Magnetic insert firmly holds fasteners in the socket for easy installation and removal
• Prevents fasteners from dropping into restricted areas where they can be difficult to locate or retrieve
• Inserts can be left installed permanently or removed for use in other sockets as needed
• Includes 19 pieces covering both SAE and metric socket sizes
• Made in the USA for quality and durability

These magnetic inserts are ideal for automotive mechanics, maintenance professionals, and DIY enthusiasts who work in tight spaces where dropped fasteners become a costly problem. The universal design allows you to move the inserts between sockets, giving you maximum flexibility with your existing socket set.