DescriptionThis item is simple to use. When the button is pushed, the ball-head lock pin is released. The pin can be inserted into a hole as the balls are retracted inside the pin. When the button is pushed, the pin is locked as the extend outward from pin. When the button is pushed, again, the ball-head lock pin is released and the pin is pulled out.Features-Color: Assorted.-Material: Stainless steel. -Size: About 7.00X3.00X3.00cm/ 2.75X1.18X1.18in. -Clamping length: L=30. -Pin Diameter: B-6. - With good process details, excellent texture, and good toughness, it can provide you with a better experience. -This quick release pin is small and portable, exquisite and practical, convenient and easy to use. -Made up of stainless steel, long-lasting, durable and practical, long serving life. -Quick release pin is mainly used for quick connection and connection of parts.-With its stable structure and excellent texture, you can use it with peace of mind.