Features Durable materials: made of excellent brass materials, this test lead set is durable and not easy to damage. PVC and PA provide excellent protection function. QUICK READING With excellent electrical conductivity, the alligator clip test lead can help instruments and devices read quickly and accurately. PERFECT REPLACEMENT: plug size for 4mm, socket size is also 4mm, universal for various devices, which is a perfect multimeter replacement kit. COMPLETE ACCESSORIES This is a complete set of special test accessories to meet different testing requirements, complete and useful. Stable and durable: the test lead set features a stable structure, excellent performance and long service life. Specification: Item Type: Test Lead Set Model: JT1016. Material: Brass, PVC, PA Purpose: Test Kit Basic parameters: Plug size: approx. 4 mm / 0.16 inches. Jack size: approx. 4 mm / 0.16 inches. Package list: 5 x test leads (red, black, yellow, blue, green). 10 x alligator clips (red, black, yellow, blue, green) Package List 5 x Test Leads(red, black, yellow, blue, green) 10 x Crocodile Clips(red, black, yellow, blue, green)