What are the differences between the Spring Clips (Spring Clamps)?

• The spring clip 1 (spring clamp) has a curved base. When attaching the clip, the base is pressed flat and the previously opened legs have a slight pretension, which tightens the parts to be held more tightly than with clips 2, 3, 4, 5. The fixing hole(s) of the clip are below the clamping area
• The spring clips 2, 4 and 5 have a straight base. The parts to be clamped can easily be clipped into the slightly opened legs
• The spring clip (spring clamp) 3 has a straight base with the fixing holes outside the clamping range. The parts to be clamped can easily be clipped into the slightly opened legs
• The spring clip (spring clamp) E has a straight base with the clamping range increased to the base. The parts to be clamped can easily be clipped into the slightly opened legs