Features:_x000D_ _x000D_ Made of premium stainless steel, anti-rust and available for long service life. _x000D_ Easy to use, automatic locking, high practical performance _x000D_ Our bull nose ring is an essential tool for farmers and veterinarians. _x000D_ Smooth surface without burrs prevents from accidental hurts. _x000D_ Easy to use, just use a screwdriver to open it. _x000D_ _x000D_ _x000D_ Specification:_x000D_ Condition: Brand _x000D_ Material: Stainless steel _x000D_ Inner diameter(M): Approx.7cm / 2.76in _x000D_ Inner diameter(L): Approx.7.7cm / 3.03in _x000D_ Length for spring-type one: Approx.11.5cm / 4.53in _x000D_ _x000D_ _x000D_ Package List: _x000D_ 1* Product 1Made of premium stainless steel, anti-rust and available for long service life. 2Easy to use, automatic locking, high practical performance 3Our bull nose ring is an essential tool for farmers and veterinarians. 4Smooth surface without burrs prevents from accidental hurts. 5Easy to use, just use a screwdriver to open it.