Fighter DIY eBook (Third Edition)
Fighter DIY eBook (Third Edition)
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The Fighter DIY eBook (Third Edition) covers four projects in great detail with colour illustrations at every step:
- DIY Cobra Bag (using the Kewlus KS2 DIY Spring);
- DIY Spar Bar (Version 5);
- Outdoor Punching Bag Stand and Suspension Training Platform; and
- Tire Punching Bag
These are my most popular projects that have evolved over time and have gained some popularity on Youtube. The eBook will help you by giving you that extra clarity and a single point of reference for these awesome builds. Hope it helps you!
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Shipping Info
Shipping Info
Shipping is calculated at checkout based on total weight and price, with some periodic discounts. Currently there is free shipping on orders over $200 USD.
USA & Canada
Shipping origin depends on your delivery country, the products ordered and stock availability.
The California warehouse serves USA customers only and stocks selected kits and Pounders. It does not stock individual parts.
Parts orders for North America ship from Canada when stock is available; otherwise, they ship from China.
Delivery times vary by destination and shipping origin. For guidance on your order, please let me know your country and the products you’re interested in. Your shipping charge is shown at checkout.
Please note that an adult signature is required for delivery of cobra bag kits. The courier will NOT be able to leave the package unattended.
International Orders
Orders outside the USA and Canada are shipped from our international warehouse and typically arrive within 1–2 weeks, depending on destination.
All duties and taxes are pre-paid, so there are no additional fees upon delivery.
Multiple Shipments
Because we operate multiple warehouses to keep delivery times fast, some orders may arrive in separate packages if items ship from different locations.
Tracking
You will receive an email with a tracking link as soon as your order is shipped. Orders are not shipped on weekends or public holidays.
Pre-Ordering Products
Some products may be available for pre-order. If you place an order containing both in-stock and pre-order items, the entire order will ship once all items are available.

A very useful book that answers questions many boxers/DIYers have asked themselves. It saved a lot of time, especially thanks to the material measurements. I'm on my second boxing machine and I'm planning other projects. Building effective machines is extremely satisfying. My next goal is to make them as aesthetically pleasing as the Kewlus kits (which I did import, if only for comparison) while remaining economical. In short, I'm a fan. Well done!