Rugby Shoes Accessory: Cover studs.
4 pieces
If you have a genuine Mizuno product, it can be attached to both nylon and aluminum.

From the Manufacturer

	Rugby Ball #5 Official Ball	Rugby Headgear	Rugby Shoulder Guard	Rugby Shoe Accessories Aluminum Studs
	See Details	See Details	See Details	See Details
Customer Reviews	3.9 out of 5 stars 20	4.3 out of 5 stars 162	4.0 out of 5 stars 40	4.0 out of 5 stars 40
Features	No. 5 ball size certified by the Japan Rugby Football Association	IRB Officially Licensed Headgear by the Japan Rugby Football Association	Fitted type that does not require inner wear.IRB approved / Japan Rugby Football Association certified shoulder guard	Can be attached to both nylon and aluminum if used with genuine Mizuno studs.
Color	White x Navy x Blue	White, Black, Navy, Red	Black, Red	Silver
Item No.	14BR30050	14TA80	14SM9009	14ZA414