Designed for locking and releasing box, practical and convenient to use. Made of for long time and durable use. It has a simple design, but very practical in use, giving you a . Also can be a good gift choice for your friends, they will like it. Features -Color:Silver -Material:Stainless steel -Size:2.50X1.20X1.20cm/0.98X0.47X0.47in - Made of high grade stainless steel material, high strength, strong and stable. - Knurled handle design, and non-slip, durable and reliable, not easy to break. - Easy to install and replace. No more sealing patches, no more threading and tapping, you just pull and rotate the needle to lock and release. Practical and convenient. - The right size, light weight, take it anywhere, take up no space, and store it wherever you need it. - Mainly used in rolling toolboxes, molds, chassis, cabs, electrical appliances, industrial equipment, automobiles and other fields. Package list: 2 x Spring Plungers