Prime-Line 4 in. L X 9/16 in. D Extension Spring 2 pk

These extension springs from Prime-Line are constructed from 0.028 gauge, heat-tempered, spring steel wire plated in a bright nickel finish. They offer superior strength and long lasting tension. These springs feature a double loop, closed end design and measure 4 inch in length by 9/16 inch in diameter. This type of spring can be used on toys, equipment, tools and for a variety of other household applications.