Prime-Line SP9615 Spring 2-1/4" L X 3/4" D Extension Nickel-Plated (1-UNIT) These extension springs from Prime-Line are constructed from 0.105 gauge, heat-tempered, spring steel wire plated in a bright nickel finish. They offer superior strength and long lasting tension. These springs feature a single loop, open-ended design and measure 2-1/4 inch in length by 3/4 inch in diameter. This type of spring can be used on toys, equipment, tools and for a variety of other household applications. Made from durable 0.105 diameter wire Maximum weight capacity is 46.2 pound Specifications Brand Name: Prime-Line Length: 2-1/4 in. Diameter: 3/4 in. Spring Type: Extension Product Type: Spring Number in Package: 2 pk Packaging Type: Bagged Finish: Nickel-Plated Material: Steel End Type: Single Loop, Open Wire Gauge: .105