• Nylon Lock Nut: SAE locking nut contains nylon fastening ring, which has certain friction and elasticity, and can strengthen the close fit between nut and screw to prevent loosening. When using, you only need to use a wrench to tighten the screw on the fixing device, which is so convenient.
• 304 Stainless Steel: Lock nuts are made from durable 304 stainless steel for high strength and a tight internal thread pitch to help secure the product and prevent loosening.
• Most Common Size: Nylon insert kit contains 100 pcs most commonly size for daily use: 1/4"-20, sufficient quantity to fasten repair hardware.
• Label Box: The locknuts set comes with a sturdy plastic box with clear markings, ensuring that the product will not be mixed up during transportation. It can also be stored after use.
• Multiple Uses: SAE locknuts can be used with our screws to repair furniture and cars, fix and connect machinery and components, and are suitable as gifts for family and friends who love to repair and maintain machinery.

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty