Ring Stretching & Enlarging Tool, US Sizes 2–14 — Manual Metal Expander with Black Handle

A robust manual ring stretcher designed for controlled resizing of plain metal bands on the jeweller's bench.

What it does

This tool precisely expands rings using a screw-driven mechanism, offering a gentler alternative to hammering. Its hardened steel segmented mandrel, precisely machined for accuracy, gradually increases the ring's diameter without deforming its profile. The mandrel is marked in whole and half US sizes from 2 to 14; UK sizes are letters, so convert a UK size before stretching. The ergonomic T-handle provides leverage for controlled, incremental adjustments, ensuring a secure fit for customer repairs and custom work. The polished metal construction signifies its durability for daily workshop use.

How to use it

• Place the ring onto the segmented mandrel.
• Turn the T-handle to gradually expand the ring.
• Wipe clean after use to maintain the finish.

Who it's for

Essential for UK bench jewellers, silversmiths, and repair technicians working with plain bands. This tool is ideal for those moving beyond basic resizing or seeking a more controlled method than a hammer. It's a practical addition for apprentices and hobbyists needing a reliable, bench-ready solution.

What's in the box

1 x Manual Ring Stretcher Expander Enlarger Jewellery Tool

Our promise

Dispatched from the UK. Same-day dispatch target for orders before 2pm Mon–Fri. Free UK delivery on orders of £30 or more. 30-day returns — try it at the bench.