Does it come with any warranty?

We are pleased to receive your questions Our warranty is for one year No guarantee against man-made damage If you have any questions, please contact me We will give you a satisfactory answer

Can teenagers use this?

You can adjust the weight so yes, although the lightest weight is still fairly hard

does any one know if their is an exercise chart for this machine.

See photos on this link showing how to use: https://www.amazon.com/LEJIEYIN-Twister-Arm-Exerciser-Strengthener/dp/B08S352RMT?th=1

Does this come with an exercise guide? Thank you in advance

How to exercise the arm press 1. Bend both arms and bend the springs hard behind the neck. 2. Bend the springs forward and upwards with both arms and then relax. 3. Bring both arms closer to the chest, bend the springs, then straighten and slowly relax. 4. Stand with your feet apart, bend your right elbow and bend the spring with your left hand, then bend your left elbow and bend the spring with your right hand. 5. With both arms behind you, hold the spring firmly, then straighten down and gradually bend. Notes on the arm press 1. Please check that all the connections of the arm strength machine are firm and free from looseness before use. 2. Adjust the arm press to a level of strength suitable for your fitness level before use. 3. When using, choose a relatively spacious area to exercise in order to avoid injury. 4. It is recommended that children under 12 years of age do not use the arm press.

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LEJIEYIN Twister Arm Exerciser - Adjustable 22-440lbs Hydraulic Power/Arm Exercise Equipment/Upper Body Exercise/Chest Workout/Shoulder Exercise Machine

LEJIEYIN Twister Arm Exerciser - Adjustable 22-440lbs Hydraulic Power/Arm Exercise Equipment/Upper Body Exercise/Chest Workout/Shoulder Exercise Machine

Product ID: 378253197

Details

Brand
LEJIEYIN
Colour
Black
Item weight
2.34 Kilograms
Material
High-Density
Product dimensions
42D x 16W x 4H

🔧20 resistance levels via hydraulic system

⚙️Adjustable 22-440 lbs resistance

🛡️Durable double carbon steel build

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4703621₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
LEJIEYIN
Colour
Black
Item weight
2.34 Kilograms

Description

💪 Elevate your arm game with precision power and safety!

FULL UPPER BODY ENGAGEMENT - Targets wrists, arms, shoulders, chest, and back for balanced muscle development.
HYDRAULIC SAFETY STABILITY - Patented hydraulic system ensures smooth, injury-free workouts without spring recoil.
CUSTOMIZABLE STRENGTH TRAINING - Easily dial from beginner to pro with 22-440 lbs adjustable resistance.
ERGONOMIC GRIP COMPACT DESIGN - Non-slip PU handles with secure buckle for comfortable use and easy storage.
GOLDEN RATIO TRIANGLE STRUCTURE - Reinforced with 10 rivets for maximum load-bearing and long-lasting stability.

The LEJIEYIN Twister Arm Exerciser is a cutting-edge hydraulic strength trainer offering 20 adjustable resistance levels from 22 to 440 lbs. Crafted from high-density double carbon steel and engineered plastics, it features a patented hydraulic system that delivers stable, safe resistance without spring recoil. Its ergonomic PU handles and golden ratio triangle structure ensure comfort, durability, and superior load-bearing capacity. Perfect for all fitness levels, this compact device targets multiple upper body muscles, making it a must-have for efficient, injury-free strength training.

Specifications

ASIN	B08S352RMT
Best Sellers Rank	1,885 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 1 in Strength Training Upper Body Machines
Brand	LEJIEYIN
Brand Name	LEJIEYIN
Colour	Black
Controls Type	Physical Button
Country Of Origin	China
Customer Reviews	4.5 out of 5 stars 2,361 Reviews
Display	LCD
EU Spare Part Availability Duration	10 Years
Handle Type	Polyurethane
Item Dimensions D x W x H	42D x 16W x 4H centimetres
Item Weight	2.34 Kilograms
Item weight	2.34 Kilograms
Manufacturer	LEJIEYIN
Material	High-Density Double Carbon Steel, Engineering Plastics
Material Type	High-Density Double Carbon Steel, Engineering Plastics
Maximum Weight Recommendation	200 Kilograms
Maximum weight recommendation	200 Kilograms
Number of Programs	1
Number of Resistance Levels	20
Operation Mode	Manual
Power Source	Hydraulic Power
Product dimensions	42D x 16W x 4H centimetres
UPC	711175870885
Unit Count	1.0 count

Reviews

G**Y

22.08.2023

A**R

31.01.2026

S**X

15.04.2025

D**E

18.04.2026

K**S

13.04.2026

A**K

3.04.2026

J**Y

15.01.2026

A**R

5.08.2025

S**R

12.01.2026

F**O

25.11.2024

J**N

29.08.2025

S**N

16.01.2026

B**L

23.01.2026

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