Hey everyone! CraftyHandy here 
Tax Note: Shipping to the US and most of the EU — all duties are covered. No extra customs fees on your end.
We’re excited to introduce the Ultimate SR6 — a complete redesign of the traditional SR6 platform that addresses the most requested improvements from the community. Here’s what’s new:
Ultimate SR6 Upgrades
All-Metal Frame
Upgraded from plastic to full metal construction for drastically improved durability. No wobble during extended use — solid and stable.
New PCB & High-Voltage Protection
Redesigned motherboard with HV protection. Accidentally plug in a TheHandy power supply? No problem — the SR6 is protected. No more fried servos.
NTC Thermistor & Real-Time Temperature Monitoring
Built-in NTC thermistor monitors servo temperature in real time. Automatically triggers a pause at high position if overheating is detected, preventing thermal damage.
Improved Heat Dissipation (Thermal Protection)
Redesigned thermal structure paired with the temperature control system keeps things cool even under heavy loads. Longer servo life, better stability.
Tool-Free Servo Swap
Servo replacement used to require removing dozens of screws. Now it’s just a few — hassle-free maintenance.
Online Firmware Update & Web Tool
Update firmware directly from your browser — no software installation required. The web tool also supports:
Visual servo calibration
Custom temperature protection thresholds
Bluetooth name change
WiFi configuration
Script loading for quick testing
Web Tool: CraftyHandy ESP32 SR6 Tool + WiFi
Hard Case Packaging & Full Kit
Comes in a rugged protective carrying case that doubles as storage.
Kit Highlights:
High-quality desk mount — stable on any surface
Rotation module mounting bracket — Twist module ready
Rugged protective carrying case
Power adapter included
Full Box Contents:
| Item | Qty |
|---|---|
| SR6 Main Device | ×1 |
| Rugged Protective Carrying Case | ×1 |
| Twist Module | ×1 |
| Fleshlight Valve Adapter | ×1 |
| Rotation Module Mounting Bracket | ×1 |
| High-Quality Desk Mount | ×1 |
| USB Data Cable | ×1 |
| Power Adapter | ×1 |
| Straps | ×2 |
| Metal Support Rods | ×4 |
| 3D-Printed Forearm Rods | ×2 |
| Screws & Hardware Kit | ×1 |
Cleaner Cable Management
Internal wiring is now much tidier — cleaner look overall.
Quick-Connect Ports
Rotation and valve interfaces are fixed directly on the device — plug and play, no need to wire up each time.
Pricing
The three SKUs differ only in servo performance — the main unit and all accessories are identical.
| Model | Price |
|---|---|
| DS3225 25KG | $290 |
| CraftyHandy 45KG | $460 |
DS CLS3355 55KG  |
$480 |
A high-performance coreless digital servo:
55kg·cm peak torque (at 8.4V)
Coreless motor — faster response, smoother operation, higher efficiency
Full metal gears (aluminum + stainless steel) + CNC aluminum housing
Only 165g — excellent torque-to-weight ratio
Official Store: https://craftyhandy.com/products/craftyhandy-ultimate-sr6-metal-frame-thermal-protection-tool-free-servo-swap-more
DISCORD: CraftyHandyOSR
EroScripts EarlyBird Special — $10 Off!
Use code: EarlyBird at checkout
Craftyhandy Ultimate SR6 Unboxing Showcase and Assembly & Leveling Video Demonstration
Before You Buy
- Simple Assembly Required: The device is shipped partially disassembled for safe transport. Assembly tools are included — just a few minutes to set up.
- PCB Appearance Note: The PCB has multiple revisions. Your unit may look slightly different from the product images, but all features and functionality are identical.
Questions? Drop a comment below and we’ll get back to you quickly!
Thanks 
CraftyHandy