bids are invited for lab optics mount as per attached specifications ir detector card , calcite beam displacer , post holder, length l_75 mm, 5 pack , post holder length l_50 mm, 5 pack , post holder,length l_20 mm, 5 pack , post holder, l_30 mm, 5 pack , studded pedestal base adapter, 5 pack , optical post, length l_ 30 mm , 5 pack , optical post, length l_ 75 mm, 5 pack , optical post, l _ 50 mm, 5 pack , clamping fork for studded pedestal base, 1.24 inch, 5 pack , clamping fork for studded pedestal base, 0.40 inch, 5 pack , spanner wrench for sm1-threaded retaining rings , mounting base, 50 mm x 75 mm x 10 mm, metric , 5 pack , mounting base, 25 mm x 75 mm x 10 mm, metric , 5 pack , mounting base, 25 mm x 58 mm x 10 mm, metric ,5 pack , mounted standard iris, 12 mm max aperture , mounted standard iris, 20.0 mm max. aperture , compact variable height clamp, m6 tapped , 5 pack total quantity : 60