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

Product ID: 378253197

Details

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

💪Durable high-density double carbon steel

⚙️Adjustable 22-440 lbs resistance

🛡️Hydraulic power, no spring rebound

S$86

Duties & taxes included

In stock

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Description

🔥 Twist Your Way to Unstoppable Strength 💥

BUILT TO LAST PERFORM - Engineered with a golden ratio triangle frame and reinforced rivets, this twister withstands 100,000+ endurance tests without deformation.
SAFE INJURY FREE WORKOUTS - Hydraulic system eliminates spring snaps and rebounds, protecting your joints while maximizing muscle engagement.
TOTAL UPPER BODY POWERHOUSE - Target wrists, arms, shoulders, chest, and back simultaneously—build functional strength that shows in everyday life.
PRECISION RESISTANCE CONTROL - Easily dial in your ideal strength from 22 to 440 lbs with 20 smooth hydraulic levels—perfect for every fitness stage.
ERGONOMIC GRIP COMPACT STORAGE - Non-slip PU handles with a smart buckle design make workouts comfortable and storage effortless.

The LEJIEYIN Twister Arm Exerciser is a cutting-edge hydraulic resistance trainer offering adjustable power from 22 to 440 lbs across 20 levels. Crafted with high-density double carbon steel and a golden ratio reinforced frame, it delivers safe, durable, and stable resistance without the risks of traditional spring devices. Designed for all fitness levels, its ergonomic PU handles and compact storage buckle make it a versatile upper body strength solution favored by thousands.

Specifications

ASIN	B08S352RMT
Best Sellers Rank	2,735 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 2 in Strength Training Upper Body Machines
Brand Name	LEJIEYIN
Colour	Black
Controls Type	Physical Button
Country Of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (2,506)
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
Manufacturer	LEJIEYIN
Material Type	High-Density Double Carbon Steel, Engineering Plastics
Maximum Weight Recommendation	200 Kilograms
Number of Items	1
Number of Packs	1
Number of Programs	1
Number of Resistance Levels	20
Operation Mode	Manual
Power Source	Hydraulic Power
Software Update Supported to Date	unknown
UPC	711175870885
Unit Count	1.0 count

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