ThorLabs SL-20 Articulating Base high-precision ball and socket mounting platfom

Water Relay Combo Valve w/ Flow Control Gray Knob DCI 7139

Articulating Arm Board with Pad

Thorlabs BA1 base Post holder 3 INCH LONG LOT OF 6

Karl Storz Video Cart with Full Door Articulating Arm

Thorlabs LED / Laserdiode collimator focusing tube with NE03A 04 ND filter

Electro-Optics Technology ET2000 Silicon light detector and Thorlabs holder

Lot Of 19x Optical Breadboard Attachments (Some Thorlabs)