Exhibit 10.4

SECOND AMENDMENT TO LEASE AGREEMENT

This Second Amendment (Amendment) is effective
May 1, 2009, supplements and amends the Standard Industrial/Commercial Multi-Tenant Lease Net Agreement dated June 1, 2005 (the Lease), between EMC Associates, L.P., (Lessor), and Dynamic Details,
Inc., a California corporation, (Lessee), with respect to the following:

RECITALS

A. The Lessor and Lessee entered the Lease for the property located at 1240 Simon Circle, Unit E, Anaheim, California. The Lease was extended pursuant to
the First Amendment to Lease dated March 20, 2008.

B. The Lease, as amended, expires September 30, 2009 and Lessor and Lessee
mutually desire to extend the term of the Lease.

AGREEMENT

NOW, THEREFORE, in consideration of the mutual covenants and conditions herein, Lessor and Lessee agree as follows:

1. Term. Subject to the terms and provisions of this Amendment, the term of the Master Lease shall be extended for the period October 1, 2009 through September 30, 2012 (Extension Term).

2. Base Rent. Base Rent ofas set forth hereinshall be paid monthly as follows:



|                                   |  |   |                    |  | 
|---------------------------------- |  | - | ------------------ |  | 
|October 1, 2009-September 30, 2010 |  | $ | 1,188.00 per month |  | 
|October 1, 2010-September 30, 2011 |  | $ | 1,223.64 per month |  | 
|October 1, 2011-September 30, 2012 |  | $ | 1,260.34 per month |  | 

3. Cooperation; Continuing Obligations. Lessor and Lessee agree to perform any further acts
and execute and deliver documents reasonably necessary to carry out the provisions of this Amendment. Except as modified by this Amendment, all covenants, conditions and agreements between Lessor and Lessee under the Lease shall continue in full
force and effect.

4. Authority. Lessee has not heretofore assigned or otherwise transferred any right or interest in the Lease, the
individuals signing this Amendment on behalf of Lessee have been duly authorized and the Amendment adopted by appropriate resolutions which are in full force and effect, and Lessee has full and complete authority to execute the within Amendment
without any additional approval or consent.

5. Recitals Incorporation. The foregoing Recitals contained in this Amendment are
incorporated into the parties agreements.

6. Counterparts. This Amendment may be executed in multiple counterparts, each of which
shall be an original and all of which shall be read together as one instrument.



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IN WITNESS WHEREOF, Lessor and Lessee have executed this Amendment as of the date hereinabove written.



|     |  |                         |  |  |  |      |  |                                                         
|---- |  | ----------------------- |  |  |  | ---- |  | --------------------------------------------------------
|     |  | Lessor EMC Associates |  |  |  |      |  | Lessee Dynamic Details, Inc., a
California Corporation
|     |  |                         |  | 
|     |  | /s/ Matt Clabaugh       |  |  |  |      |  | /s/ Mikel Williams                                      
|     |  | Matt Clabaugh           |  |  |  |      |  | Mikel Williams                                          
|Its: |  |                         |  |  |  | Its: |  | President                                               
|     |  |                         |  | 
|     |  |                         |  |  |  |      |  | /s/ Kurt Scheuerman                                     
|     |  |                         |  |  |  |      |  | Kurt Scheuerman                                         
|Its: |  |                         |  |  |  | Its: |  | Vice President                                          



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