AAE Plastinocks 5/16 White 12 Pk 1007041. Longer ears and an angled throat help retain the nock on the bowstring at a variety of string angles. A thin base provides a smooth transition between the nock and arrow shaft. Specifications for AAE Plastinocks 1007041: Manufacturer: AAE Color: White Additional Features: 5/16 Glue On Features of AAE Plastinocks: Feature: Double snap design Feature: Positive string fit Feature: Smooth arrow release Feature: Angled throat design Feature: Retains nock at various string angles Feature: Thin base Feature: Smooth transition to arrow shaft Package Contents: AAE Plastinocks