Main Features:● Made of good quality plastic and iron， durable and reliable
● Inner diameter: 2.1mm
● DC power male plug
● Great for various DC power sockets / DIY project
● Contains 20pcs per pack Material: Plastic + Iron Package weight: 0.059 kg
Product Size(L x W x H): 5.0 x 1.0 x 1.0 cm / 1.97 x 0.39 x 0.39 inches
Package Size(L x W x H): 11.0 x 7.5 x 2.0 cm / 4.32 x 2.95 x 0.79 inches Package Contents: 20 x DIY 2.1mm DC Power Male Jacks