Each piece comes with 2 plastic covers on the tails of the clips.
Applied in electrical or laboratory electric testing work. They are useful for connecting components to wires. Also frequently use in physics laboratories to quickly assemble circuits.

Specifications:
Material:metal and plastic.
Color:red and black.
Jaw width:0.17inch/4.3mm.
Head width:0.14inch.
Jaw open size maximum:0.59inch/15mm.
Longer side length:2.36inch/60mm(end of this side hole:approx.diameter:0.15inch/3.9mm).
Other side length:1.65inch/42mm.
Per piece approx.weight:0.29oz/8g.

Package content:
5pcs x Red alligator clips
5pcs x Black alligator clips