4X5/16 One Quarter Round Spacer Brass Nickel BPF and it has a #2

and it has a #2 Phillips drive for easy installation

This screw is ideal for use in a variety of woodworking applications

They feature a black phosphate finish for corrosion resistance and a bugle head for a flush

The 10-32 x 3/4 Phillips Pan Square Cone Sems Fully Threaded Zinc is a type of screw that is used to fasten two pieces of metal together

4X5/16 One Quarter Round Spacer Brass Nickel BPF and it has a #24X5 16" One Quarter Round Spacer Brass Nickel This 4X5 16" One Quarter Round Spacer is made of brass nickel and is used to create space between tiles. It is a quarter round shape and measures 5 16" thick. This spacer is ideal for use with ceramic or porcelain tiles and can be used on floors or walls. It is easy to install and can be used with any type of thinset mortar. This spacer is also durable and will not rust or corrode.