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Old version by GripperBot on 2026-09-16 20:50:34 compared to new version by GripperBot on 2026-09-17 14:34:04

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1# Pitbull 1Pit Bull is a line of aluminum-handled torsion-spring grippers sold by CFF Strength Equipment, also known as CFF FIT or Christian's Fitness Factory. CFF's product listing describes knurled aluminum handles and steel springs.[^1][^2]
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3*This article is a stub.* 3## Model range
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5Gripperpedia is collecting reliable information about this gripper brand or model, including its manufacturer, production history, specifications, photographs, and contemporary sources.5CFF lists six models: **100, 150, 200, 250, 300 and 400**. These are the seller's advertised pound ratings, not independently measured RGC values.[^1]
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7The published lineup jumps directly from 300 to 400. Although the sales copy refers generally to 50 lb increments, its explicit model list does not include a 350.[^1]
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9## Sets and identification
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11The grippers have been offered individually and in grouped sets:[^1]
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13| Set | Included model labels |
14| --- | --- |
15| Beginner | 100, 150, 200 |
16| Intermediate | 150, 200, 250 |
17| Advanced | 200, 250, 300 |
18| Master | 100, 150, 200, 250, 300 |
19| Pro | 100, 150, 200, 250, 300, 400 |
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21CFF's own marketplace listings also document individual Pit Bull 150, 200 and 300 grippers. Those listings provide additional product photographs for identifying examples encountered secondhand.[^2][^3]
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23[^1]: CFF Strength Equipment, [CFF Pit Bull Grippers: Hand & Forearm Grip Trainers](https://cffstrengthequipment.com/products/cff-pit-bull-grippers-hand-forearm-grip-trainers).
24[^2]: CFF Strength Equipment, [Pit Bull 200 listing and photographs](https://www.ebay.com/itm/174691184732), eBay.
25[^3]: CFF Strength Equipment, [Pit Bull 300 listing and photographs](https://www.ebay.com/itm/143981874096), eBay.

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