Polarized 10mm Beam Splitter cube centered @ 808nm
They work nicely with 808nm and most likely nearby wavelengths as well. Cube only, Mount in photo not included.
Coherent
Coherent CUBE Heat Sink 1073840
127 x 66 x 44 mm (5.0 x 2.6 x 1.74 in.). Local pick-up is available.