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*Offer available on-line only. Excludes E-gift cards. Not valid for mail or phone orders and cannot be applied to previous or pending orders. Offer cannot be combined with any other coupon code, discount, offer or promotion. $15 off your online merchandise total between $100 and $149.99, $25 off your online merchandise total between $150 and $224.99 or $35 off your merchandise total over $225 will automatically apply to your order at checkout. Offer valid through Monday, May 18 2026 at 11:59PM EST. Discount applies to orders before shipping & sales tax. Penn State Industries reserves the right to cancel any order due to unauthorized, altered or ineligible use of discount.

Infinitely Adjustable Ring Mandrel

Name: Infinitely Adjustable Ring Mandrel
Brand: Penn State Industries
SKU: R4MAN015
Price: 29.95 USD
Availability: InStock

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Description

Our new infinitely adjustable ring mandrel precisely holds and spins rings of any size, from 0 to 15-1/2in. Crafted from high-speed steel for durability, it mounts conveniently on your existing 7mm pen mandrel. This CNC-machined marvel boasts near-perfect runout (guaranteed under .003in.) for flawless results. Requires a lathe that accepts a pen mandrel.

Specifications

Specification	Description
Finish:	Stainless Steel
How Turned:	Pen Mandrel
Projects Used On:	Rings
Category:	Ring Making

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Infinitely Adjustable Ring Mandrel

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Description

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