What is the circumference of the handles?

Hello John, Thank you for your question. The diameter is about 1.38in, which brings the circumference to roughly 4.3in. Please feel free to call us directly at 925-350 -4111 should you have any other questions. With best regards, Your WorldFit Team

Can you do leg exercises barefoot or will the strap be too uncomfortable?

I personally like to use sneakers, but I use sneakers that I don't wear outdoors, or I clean the soles of my sneakers so that I don't mess up or dirty and degrade the straps while using them. The better you take care of your equipment the longer it lasts. Using bare feet could get a little uncomfortable.

How exactly do you workout your chest with this? Also, is there any way to actually measure your progress?

You can train the chest by shortening it up and positioning it across the back to perform a forward press. This device doesn't really provide a way to measure progress. It is a relatively cheap and portable isometric exercise device. It's best use is for travel or a quick workout when pressed for time. Probably not well suited to a stand alone routine.

Will this work witha Bullworker Classic?

Hello Peter Shmidt, Thanks for your inquiry. No, the WorldFit ISO Trainer is a stand-alone training device. With best regards, Your WorldFit Team

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WorldFit ISO Trainer - Isometric Exercise for Strength Training, Stretching, Yoga, Pilates - a USA Company

Product ID: 105514976

Details

Brand
WorldFit
Color
Black
Material
Silicone
Number of Packs
1
Style
Pull Up

🌍Portable at just 1.8 lbs

💪Builds strength & muscle tone

🛡️US Military 1st Grade Webbing

₨41761

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Description

🔥 Elevate your strength game with the WorldFit ISO Trainer – power, portability, and precision in one sleek package!

BUILT TO LAST MADE IN THE USA - Premium military-grade webbing and durable silicone grips ensure your ISO Trainer withstands every rep and stretch.
ULTRA LIGHTWEIGHT TRAVEL READY - At only 1.8 lbs, take your workout from home to office, beach, or business trip without missing a beat.
JOINT FRIENDLY ISOMETRIC WORKOUTS - Safe, low-impact exercises that protect your joints while delivering maximum strength gains—perfect for all ages and fitness levels.
CONFIDENCE BACKED BY A 100 GUARANTEE - WorldFit stands behind every trainer with hassle-free returns, so you can invest in your health worry-free.
STRENGTH FLEXIBILITY ANYTIME ANYWHERE - Boost muscle tone, increase range of motion, and enhance endurance with a compact tool that fits your busy lifestyle.

The WorldFit ISO Trainer is a premium isometric exercise tool proudly made in the USA with military-grade webbing and durable silicone grips. Weighing just 1.8 lbs, it offers a safe, joint-friendly way to build strength, flexibility, and endurance through isometric workouts suitable for all ages and fitness levels. Portable and easy to use anywhere, it’s backed by a 100% satisfaction guarantee, making it the smart choice for busy professionals seeking effective, low-impact training.

Specifications

ASIN	B07MJM62ZD
Best Sellers Rank	#60,639 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #577 in Resistance Bands
Brand Name	WorldFit
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (365)
Manufacturer	WorldFit
Material	Silicone
Number of Items	1
Number of Packs	1
Style	Pull Up
UPC	680577972179

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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₨41761

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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