---
title: Tools International - A-1 Tubing Stop
description: Description, Specifications, Assembly, and Components for the Tools International A-1 Tubing Stop.
image: https://www.tools-int.com/hubfs/Locking%20C%20Mandrel-Feb-20-2022-06-42-29-85-PM.png
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# A-1 TUBING STOP

#### Tools International Corp

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#### Description

#### Specifications

#### Assembly

#### Components

### Description

 

The Type “A-1” Tubing Stop is designed for use in integral joint tubing strings where a coupling recess is not available. It is used primarily as an anchoring device in  
packoff applications. The difference between the Type “A” and “A-1” Tubing Stop is that the “A-1” has an internal fishneck, where the Type “A” has an external fishneck.

![a1tubingstop](https://www.tools-int.com/hubfs/a1tubingstop.jfif)

 

###          Specifications

 

| SPECIFICATIONS |  |  |  |
| --- | --- | --- | --- |
|  | **2"** | **2 1/2"** | **3"** |
| Min. I.D. | 1.047" | 1.047" | 1.500" |
| Fishneck I.D. | 1.375" | 1.812" | 2.313" |
| Max. O.D. Slips Retracted | 1.859" | 2.281" | 2.719" |
| Max. O.D. Slips Expanded | 2.063" | 2.531" | 3.093" |
| Running Tool | 40GS1200 | 40GS1250 | 40GS1300 |
| Pulling Tool | 40GS1200 | 40GS1250 | 40GS1300 |
| Shear Pin Size | 3/16" | 1/8" | 3/16" |

###          Assembly

 

| ASSEMBLY |  |  |  |
| --- | --- | --- | --- |
|  | **2"** | **2 1/2"** | **3"** |
| Part Number | 33TB2200 | 33TB2250 | 33TB2300 |

###          Components

 

| COMPONENTS |  |  |  |
| --- | --- | --- | --- |
|  | **2"** | **2 1/2"** | **3"** |
| Slip | (3) 33B01629 | (3) 33B00048 | (3) 33B01419 |
| Slip Retainer | 33B01423 | 33B00057 | 33B00121 |
| Body | 33B01422 | 33B00078 | 33B00119 |
| Ring | 33A00736 | 33A00595 | 33A01420 |

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