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Tooltos Jewelry Tools Tooltos US 1-33 Double Mandrel Ring Stretcher Expander Reducer
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Tooltos Jewelry Tools Tooltos US 1-33 Double Mandrel Ring Stretcher Expander Reducer
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Tooltos Jewelry Tools Tooltos US 1-33 Double Mandrel Ring Stretcher Expander Reducer
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Tooltos Jewelry Tools Tooltos US 1-33 Double Mandrel Ring Stretcher Expander Reducer

Tooltos 2-in-1 Ring Stretcher Expander and Reducer | US Size 1-33 6-Segment Jewelry Repair

  • 97 in stock
  • Inventory on the way
Regular price $219.99 USD
Regular price Sale price $219.99 USD
Shipping calculated at checkout.

Description

  • 2-in-1 Expander and Reducer — Expand rings using the 6-segment spline mandrel (US sizes 1–33) and reduce rings using 8 reduction dies (15–24mm) in one machine.
  • US Size 1–33 Expanding Range — The widest US size range in the Tooltos ring stretcher lineup, covering from size 1 through size 33.
  • 6-Segment Spline Mandrel — More segments than the 4-segment US 4-14 model, providing finer size increments and more even expansion across the ring band.
  • 8 Reduction Dies Included — Sizes 15 / 16 / 17 / 19 / 20 / 21 / 23 / 24mm — the largest reduction range in the Tooltos lineup, up to 24mm.
  • Cast Iron Body and Steel Components — Heavy-duty construction for stable, consistent operation during ring resizing work.
  • Bench Mountable — 4 pre-drilled holes for secure workbench installation. Reversible base plate for switching between expanding and reducing functions.

The Tooltos US 1-33 2-in-1 Ring Stretcher Expander and Reducer offers the widest US size range in the Tooltos ring stretcher lineup. The 6-segment spline mandrel covers US sizes 1–33, while the 8 reduction dies reach up to 24mm — the largest reduction capacity across all Tooltos ring stretcher models. Suitable for jewelry repair shops, goldsmiths and silversmiths working with gold, silver, platinum, copper, brass and other non-ferrous metal rings.

Important: Use caution when working with stone-set rings. Expanding or reducing rings with set stones risks damaging the stone settings. This machine is designed for plain bands and non-ferrous metal rings.

Tooltos Ring Stretcher Model Comparison

Feature US 1-33 (This) US 4-14 HK 1-33
Size Standard US US HK
Expanding Range US 1–33 US 4–14 HK 1–33
Mandrel Segments 6 segments 4 segments 6 segments
Max Reduction 24mm 21mm 23mm
Best For Widest US range, larger rings Standard US sizes, lower price HK standard market

Best For / Not For

Best For Not For
US-sized ring expanding and reducing (full range 1–33)
Larger ring sizes requiring reduction up to 24mm
Plain band gold, silver and platinum rings
Coin ring sizing (US sizes)
Jewelry repair shops needing widest US size coverage
Stone-set rings (risk of damaging settings)
Steel or titanium rings
HK-sized rings (use HK 1-33 or HK 6-36 models)
Rings requiring reduction beyond 24mm

Technical Specifications

Material Cast Iron Body and High Carbon Steel Components
Size Standard US (American) Ring Sizes
Expanding Range US Size 1–33 (6-segment spline mandrel)
Reduction Die Sizes 15 / 16 / 17 / 19 / 20 / 21 / 23 / 24mm (8 dies)
Machine Dimensions 135 × 185 × 410mm
Machine Weight 9.3 kg / 20.5 lb
Bench Mounting 4 pre-drilled holes
Base Plate Reversible (expander / reducer)
Suitable Metals Gold, silver, platinum, copper, brass and other non-ferrous metals

Pro Tips

  • Anneal the ring before expanding or reducing to reduce the risk of cracking, especially for work-hardened metals.
  • Expand or reduce gradually in small increments — avoid forcing the ring to the target size in a single pass.
  • Mount the machine securely to your workbench using the 4 pre-drilled holes for stable, controlled operation.
  • Inspect stone-set rings carefully before resizing — if in doubt, remove stones before expanding or reducing.

Frequently Asked Questions

What is the difference between this US 1-33 and the US 4-14 model?
This model covers a wider US size range (1–33 vs 4–14), uses a 6-segment mandrel for finer size increments, and has a larger reduction capacity up to 24mm. Choose this model if you need to work with a wider range of ring sizes or larger rings.

Can I use this on stone-set rings?
Use caution. Expanding or reducing rings with set stones risks damaging the settings. Remove stones before resizing where possible.

What ring sizes can this machine expand to?
US sizes 1–33 using the 6-segment spline mandrel.

What sizes can the reducer handle?
The 8 reduction dies cover 15 / 16 / 17 / 19 / 20 / 21 / 23 / 24mm ring diameters — the largest reduction range in the Tooltos lineup.

Can this machine work on titanium or steel rings?
No. This machine is designed for non-ferrous metals only. Titanium and steel rings require specialist equipment.

Does it need to be bolted to a bench?
Strongly recommended. The machine has 4 pre-drilled mounting holes for secure workbench installation.

What's Included

  • 1 x Tooltos Ring Stretcher Expander and Reducer Machine (US 1-33)
  • 1 x Reduction Die Set (8 dies: 15–24mm)
  • 1 x Control Lever

Support

For technical questions or order support, contact the Tooltos team at sales@tooltos.com. We typically respond within 24 hours.