DescriptionThis k-lock nut is manufactured with stainless steel material for durable and long-lasting use. It's easy to use and install with long service life. The precise design will ensure its practicability in the work with high performance. Universal design, nice replacement for your old or broken hex locks, great for both indoor and outdoor use.Features-Color: Silver.-Material: Stainless steel. -Size: About 1.00X1.00X1.00cm/ 0.39X0.39X0.39in.-Thread Size: 4#-40.- The lock nuts include a hex nut with an external tooth lock washer, reliable and durable to use. -They should be used in low-load assemblies to ensure a lasting, reliable hold for any project.-Hex nut with an external tooth lock washer, teeth on lock washer help to lock nut into place. -Made of stainless steel, rust resistance, and heat resistance, firm and corrosion resistant. -The k-lock nuts are highly resistant against turning, great for both indoor and outdoor use.