About Ikelite 957743 Substrobe AI,100/200 Mount Ball
[L] SUBSTROBE Ai, 100A, 200 MOUNT: #9577.43 Ball (1" diameter) for use with TLC and Ultralite Arms. Substrobe 100A and 200 Mount 1" ball (TLC, Ultralite, etc.) Replaces mounting lug of SS100A (Ai, Ai/n). Screws into 3/8" mounting socket of SS200.