I have some single wire alligator clips to test but they are usually in a jumbled mess. Most of the time I've found I only use three wires for typical testing purposes. These lines are easy to stretch to the length you want, stay together and easily pull out when you're done.
VIVREAL 4 In 1 Stud Finder Wall Scanner With LCD Display - Center Finding Beam Finder And Sound Warning For Wood, AC Wire, And Metal Studs (Black/Silver)
24 Review
Room temperature and humidity sensor Aqara Temperature and Humidity Sensor white
25 Review
Detector Bosch GMS 120 Professional
28 Review
Cable tester BENETECH GM60
15 Review
Kapro - 353 Professional Ledge-It Try & Mitre Square - For Leveling And Measuring - Features Stainless Steel Blade, Retractable Ledge, And Etched Ruler Markings - 12 Inch
23 Review
TV bracket Kromax DIX-18 black
52 Review
π CAMWAY 6 Inch Digital Caliper with LCD Display, Electronic Vernier Caliper, 150mm Stainless Steel Feeler Gauge, Plastic Digital Caliper Set for Zero Setting Inside/Outside Diameter, Depth, and Step Measurement Tool
3 Review
β Stainless Steel L-Square, Size 3-Inch x 4-Inch, Zona 37-434
8 Review