Rhein83 Full Ball Attachment Micro Silicone Caps Kit includes 54 high-quality silicone caps, micro-sized caps that fit regular straight, and angulated ball abutment. Rhein83 manufacture female caps with elastic retention with the intention of eliminating as much vertical stress and trauma to the restoration as possible. For Rhein83 the important thing is to make a system of components available to the dental technician and dentist that will allow for the fabrication of a rigid, shock-absorbing, or resilient prosthesis. With the use of elastic retention, the function of Rhein83 attachments are extended. With overdenture prosthetic devices or cases involving edentulous saddles, resiliency can be controlled with a wide range of retentive caps that have various levels of elasticity and retention.