Freedi 10Pcs Test Leads with Alligator Clips Set Insulated Test Cable 21 in 10 Test leads in 5 colors for easy identification Alligator Clip Size: 2.5 x 0.4 x 1cm1 inch x 0.16 inch x 0.39 inch(L*W*H) Length:21" (55cm) Color: Black, Red, Yellow, Green, Yellow Material: Metal, Soft Plastic Ideal for use in labs, service shops, schools (STEM - STEAM), home and industry