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Screwdriver Sets — TTRSD series specs & sizes

A 15-piece set featuring a 1/4" hex ratcheting bits driver with various bits and two extensions, supplied in a TT1 size tray. Sizes, lengths and weights in American units.

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Written by David Crosbie

A 15-piece set featuring a 1/4" hex ratcheting bits driver with various bits and two extensions, supplied in a TT1 size tray.

15 PCS · SIZE 1 · 1/4"

Features

  • Ratcheting bits driver set

  • 45-teeth ratchet mechanism with 8° increments

  • Twist selector switch for clockwise, counter-clockwise, or fixed direction

  • Ergonomic handle with TengTools three-zone design

  • 136 mm handle with internal storage for up to twelve bits

  • Includes eleven 25 mm bits and a magnetic bit

  • Two interchangeable round shanks (141 mm and 238 mm) with 1/4″ hex drive magnetic chucks

  • The tools are organised in a tool module size 1 (TT1)

  • Compatible with the TengTools Tool Control System

Sizes & specifications

Part no.

Size

Length

Weight

Docs

Availability

1.3 lb (0.61 kg)

In store

In store

In store

Dimensions shown in inches with millimeters in parentheses — figures come straight from the official Teng Tools product data. Docs links open the official Teng Tools PDF data sheet, user manual or parts diagram for that part number.

What's in the set

  • 1/4″ Hex ratcheting bits driver set 13 pieces

  • 1/4″ Hex Bits 25 mm: 3, 4, 5

  • 1/4″ hex bit with magnetic tip 25 mm

  • 1/4″ PH Bits 25 mm: PH1, PH2

  • 1/4″ PZ Bits 25 mm: PZ1, PZ2

  • 1/4″ TX Bits 25 mm: TX15, TX20, TX25, TX30

  • 1/4″ bits driver extension 141 mm

  • 1/4″ bits driver extension 238 mm

Availability & help

Items marked “In store” are stocked at tengtoolsusa.com and ship from our Fort Worth, Texas warehouse. For anything marked “Ask us”, contact us — we can usually get it. Every Teng Tools hand tool carries our lifetime warranty against manufacturing defects.

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