.4 in (10.16 mm)

Part No.	Shape	Length (O.D.)	Width(I.D)(in.)	Thick(in.)	Surface	Weight/Lbs.	Price
07258	Button Horseshoe	.5 in	NA	.4	Red	0.05	$3.04
07580	Round Cup	1.25 in	1.5	.4	Nickel	0.14	$6.45
07589	Round Cup	1.125 in	NA	.4	Nickel	0.06	Call
CR-454*A	Ring	4.5 in	1.75	.4	-	0.9719	$1.38

Type