The black PVC caps are designed to blend seamlessly with most electrical and mechanical setups, providing a neat and professional appearance. Their 3mm size is suitable for a wide range of applications, household wiring to industrial machinery. These caps are an essential accessory for anyone looking to and insulate their wire and bolt connections. Features -Color:Black -Material:PVC -Size: 1.70X0.50X0.50cm/0.67X0.20X0.20in -Protective barrier: these caps create a protective barrier around screw heads, preventing scratches and damage to nearby objects -Extended lifespan: by shielding screws , these caps help extend the lifespan of your hardware -Easy installation: the flexible plastic material allows for easy installation and removal, making these caps userfriendly -Versatile applications: ideal for use on bolts, screws, pipes, cables, and more, these caps offer -Nonaging material: the plastic used in these caps does not easily age or , ensuring performance Package list: 200 x Screw Thread Protectors