QuickLinks -- Click here to rapidly navigate through this document

Exhibit 12.1

Accellent Inc.
Ratio of Earnings to Fixed Charges
(in thousands)

																			Pro Forma as adjusted**
																			Twelve Months Ended December 31, 2004
		Twelve Months Ended December 31,															Nine Months Ended September 30, 2005					Nine Months Ended September 30, 2005
		2000			2001			2002			2003			2004
Pre-tax income (loss)		$	(16,282	)	$	(8,502	)	$	(32,557	)	$	(932	)	$	(2,137	)	$	21,978	$	(32,231	)	$	(2,946	)
	Interest expense		11,363			17,802			16,923			16,587			26,879			23,731		61,322			45,962
	Amortization of capitalized interest		—			—			—			—			—			—		—			—
	Distributed income of equity investees		—			—			—			—			—			—		—			—
	Interest portion of rent*		398			638			766			1,044			1,874			1,853		2,669			1,853
Earnings (loss)			(4,521	)		9,938			(14,868	)		16,699			26,616			47,562		31,760			44,869
Fixed charges		$	11,761		$	18,440		$	17,689		$	17,631		$	28,753		$	25,584	$	63,991		$	47,815
	Ratio		—			—			—			—			—			1.9x		—			—
	Deficiency	$	16,282		$	8,502		$	32,557		$	932		$	2,137			—	$	32,231		$	2,946

UTI Pennsylvania***
Ratio of Earnings to fixed Charges
(in thousands)

		Year Ended December 31, 1999		Five Months Ended May 31, 2000
Pre-tax income (loss)		$	2,127	$	(16,840	)
	Interest expense		592		257
	Amortization of capitalized interest		—		—
	Distributed income of equity investees		—		—
	Interest portion of rent*		259		123
Earnings (loss)			2,978		(16,460	)
Fixed charges		$	851	$	380
	Ratio		3.5x		—
	Deficiency	$	—	$	16,840

*

Interest portion of rent is estimated to be one-third of rent expense.

**

For a description of the transactions included in the pro forma as adjusted columns, please refer to "The Transactions" on page 93 of the prospectus contained in the Registration Statement on Form S-4.

***

UTI Pennsylvania is our predecessor. See "Selected Historical Consolidated Financial Data" on page 35 of the above referenced prospectus for a discussion of our predecessor.

QuickLinks

Accellent Inc. Ratio of Earnings to Fixed Charges (in thousands)
UTI Pennsylvania*** Ratio of Earnings to fixed Charges (in thousands)