121955 -
Tools like the 121955 are "deep" or "long" (100mm) to reach recessed bolts.
Components for fencing or mailboxes, such as the Architectural Mailboxes In-Ground Post , which require "deep" setting in concrete for stability. Product Details: Ombra 121955 Bit Socket 121955
1/2" drive, Torx T55 profile, 100mm total length. Tools like the 121955 are "deep" or "long"
Available at stores such as Yandex Market and Ozon . Torx T55 profile
This specific tool is widely available from automotive and tool retailers:
