- Great for use in pen tips to keep epoxy out of the opening.
- Small End is .250" Large End is .375" Length is .750"
- Use for epoxy, powder coating, painting, ceramic coating, plating, anodizing, and more.
- Premium quality, non-toxic synthetic silicone rubber will not crack, shrink, harden or break.
- Withstands heat up to 600 degrees Fahrenheit while staying flexible, durable and reusable.