121955 -

Ideal for heavy-duty automotive applications where a standard-length bit cannot reach the fastener.

Available at stores such as Yandex Market and Ozon . 121955

1/2" drive, Torx T55 profile, 100mm total length. Torx T55 profile

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

This specific tool is widely available from automotive and tool retailers:

Tools like the 121955 are "deep" or "long" (100mm) to reach recessed bolts.