Part No.               Thread           A             B             C               D

T6LEN-14                 1/4"         3/16"       1-3/16”       5/8”          1/2”

T6LEN-516             5/16”          1/4"        1-9/16”       3/4"          5/8”

T6LEN-38               3/8”         5/16"        1-7/8”           1”            3/4”