FROST Metric Expansion Spring Assortment 70 Piece – 7 Sizes Steel Extension Tension Springs with Hooks for Automotive & Mechanical Use

The Frost Metric Expansion Spring Assortment is a comprehensive 70-piece kit designed for mechanical, automotive, and workshop applications. Supplied in a handy compartment storage box, this assortment keeps your springs neatly organised and readily accessible when you need them most. The kit includes seven metric size combinations, covering free-length × outside-diameter measurements of 29.5 × 6.4mm, 31.5 × 5.0mm, 33.3 × 6.8mm, 56.5 × 7.8mm, 74 × 10.3mm, 90 × 11.4mm, and 126 × 9.4mm, ensuring you have the right spring for a wide range of tasks. Constructed from steel, these tightly coiled extension and tension springs are engineered to extend under tensile force and return towards their original length once the force is released. Each spring features preformed hooks or eyes at both ends, allowing straightforward connection to compatible components and mechanisms. Suitable for automotive systems, industrial machinery, counterbalancing mechanisms, doors, and various assemblies requiring controlled tension, this versatile assortment is an essential addition to any professional or home workshop toolkit.