Made of strong and rugged plastic material for heavy-duty use Movable non-marring pads for maximum flexibility and tension Tempered steel spring applies consistent pressure Provides instant holding power and is easy to re-position during assembly, fastening, and gluing work Comfortable grip with ergonomic design Can hold objects strongly by generating a large amount of clamping force This set includes: 1 x spring clamp (10.2 cm), 1 x spring clamp (15.2 cm)