Package Content: 20 PCS 4mm×25mm ID Stainless Steel O Rings
Material: stainless steel
Inner diameter: 25mm(1 ")，Thickness: 4mm
Smooth welded stainless steel O-rings.
Stainless steel welded O-ring can be used for webbing, strapping, leather, ribbon, dog collar, etc.
Package includes: 20Pcs Stainless Steel O Ring