Classic Jewelry Clasp Types
Ball clasp: Also called a bead clasp, a ball clasp is a round, spherical jewelry fastener. Sometimes adorned with gemstones or texturing, ball clasps provide a decorative closure which flows with the design of a necklace or bracelet.
Barrel clasp: A barrel clasp is a small barrel or torpedo-shaped closure which fastens two ends together through a screw, box or hook-insert mechanism.
Box: A box clasp involves a tab inserted into a decorative box. Usually with some kind of safety to secure the closure, a box clasp is traditionally used for tennis styles and hinged bracelets.
Fishhook Clasp: A fishhook clasp is a delicate fastener that involves a hook inserted into an oval encasing. This style of closure creates a fancy look for lightweight necklaces and bracelets.
Hook clasp: A hook clasp uses an easy hook-on, hook-off motion. A curved piece at the bottom of the hook catches onto a loop or circle to hold it in place.
Lobster clasp: Named after the pinching style of the hook, a lobster clasp is often shaped like a lobster's claw. Work the lever to open the clasp and release it to close.
Push Button Clasp: A push button clasp "clicks" into place. The mechanism relies on a lever or button which needs to be pushed In order to release the closure.
Springring clasp: Invented in the early 1900s, a springring clasp is small and highly effective. It's a hollow circular metal fastener with a spring opening that keeps the clasp closed.
Special Fine Jewelry Clasps
Buckle clasp: Sometimes used as a clasp for leather or material bracelets, a buckle clasp features the same mechanism as a classic belt buckle. The buckle straps one end through a loop and secures it with a hinged prong that inserts into a hole and rests against a metal frame.
Concealed clasp: A concealed clasp is one that is hidden within the design of the piece, so as to not interrupt the flow of the appearance.
Ladder: A ladder clasp is an old-fashioned fastener used for watches. With one end-piece resembling a two-spoke ladder, the foldover side can be hooked into one of two slots to adjust size.
Magnetic: A magnetic clasp relies on a magnet to hold the necklace or bracelet together, allowing for easy-on, easy-off closure.
Slide clasp: A slide clasp secures closure with two bars that slide into a locked position.
Swivel clasp: A swivel clasp is a type of lobster clasp that can turn 360 degrees at the base.
Toggle clasp: A toggle clasp is a two-piece jewelry fastener that closes when a t-shaped or decorative bar is threaded through a circular loop. This stylized clasp type often serves as the centerpiece of a design.