This mounting kit includes a high-quality 2U front plate to install two Shuttle XPC slim PCs in a 19' server rack. 
Should only one XPC be installed, the unused opening can be closed with a cover plate (2) which is also provided.
Feature Highlights
Front plate 
483 x 89 mm (19' x 2U)
1mm Steel
Black
Powder-Coated
Cover Plate 
198.8 x 45.5 mm
16x Screw 
M3 x 5 mm
4x mounting bracket
Shuttle XPC slim Barebones:
DX30, DL10J, DH02Ux, DS61, DS81(L),
DH110(SE), DH170, DQ170, DH270, DH310(S),
DH370, DS47, DS407(T), DS437(T), DS57Ux,
DS67Ux, DS77Ux