●【High Quality】The tension pin is made of high quality 304 stainless steel, strong and durable for use. ●【Multi Size】M1.5-M8 sizes spring pin set can meet your different purpose. ●【Easy to Carry】Equipped with a plastic box, you can classify these spring pins in an organized manner, more convenient to carry and take out. ●【A Large Number】There are 280pcs spring pins are enough for using, can meet your use and replacement. ●【Application】The stainless steel spring pin is a perfect fasteners for mechanical industry.