200pcs Copper Gasket Sealing Washers Leak Water Retaining Flat Ring

Copper sealing ring--they have a tighter seal and high heat resistance than steel and rubber washers, Copper Sealing Washers; Flat washers--they are very easy to install, the washer's surface are smooth can reduces friction between the screw and nut, Flat Ring Washers; Thickness copper washer--these most commonly used copper washers have superior rust resistance and the excellent of resistance, Ring Fastener; Copper sealing gasket--the copper washer also can use for precision instruments, electrical appliances, bearings, air pumps, water pumps, water valves, air cylinder, sealing the high pressure braking systems, etc, Copper Crush Washer; Sealing gasket-- copper flat washers with high conductivity perfect for electrical connections on household and commercial appliances, Copper Ring Fastener

What's in the box
200 x Nails, Screws & Fasteners