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3/8 Extendable Ratchet 41 Teeth 250-356mm — 3800 series specs & sizes

A 3/8" drive extendable ratchet with a 41-tooth mechanism, quick release, and push twist action. Sizes, lengths and weights in American units.

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Written by David Crosbie

A 3/8" drive extendable ratchet with a 41-tooth mechanism, quick release, and push twist action.

3/8" · 1/2" · 3/4" · 1/4" · 72 TEETH · IP5X

Features

  • 3/8-inch drive ratchet with a 41-tooth mechanism.

  • Adjustable length from 9.8 in. (250mm) to 14 in. (356mm).

  • Push-twist extension adapts the tool's length for added reach and torque or for work in restricted spaces.

  • All-metal construction for durability and strength in heavy professional use.

  • Sockets & Accessories

  • 3/8 inch drive ratchet with a 72-tooth mechanism, delivering a 5° swing arc for precise adjustments in restricted spaces.

  • The IP5X-rated internal mechanism is protected against dust ingress, ensuring consistent performance in harsh working conditions.

  • A flip reverse lever enables quick switching between tightening and loosening operations.

  • 3/8" drive ratchet with a 45-tooth mechanism.

  • Flip reverse lever allows for quick changes in drive direction.

Sizes & specifications

Part no.

Size

Length

Weight

Docs

Availability

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In store

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4.3" (110 mm)

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In store

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In store

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11.8" (300 mm)

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In store

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In store

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11.8" (300 mm)

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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.

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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