i) Laser Stand  : wooden with two leveling screws for adjusting the angle of laser beam

i) (a) Laser Stand : Metallic with spring loaded action screws for adjusting the angle

ii) Lens Mount : Objective lens is held in position by threaded rings inside a threaded bore of the device.

iii) Screen Graduated : A translucent screen with a graduated scale or an aluminum  plate of size 6” x 4” for projection.

iv) Grating Holder : A specially designed Laser Grating holder adjustable for any size of grating.

v) Screen Holder : A specially designed holder for holding screen in vertical position.

vi) Basic Post : Standard mount made from thick aluminum rod with side screw & base having slot for M6 screw for holding various types of screen         holder/Grating holder/lens mount/cross wire.

vii) Pin Holes : Mounted in circular ring with rod a) 100 microns b) 250 microns c) 1000 microns.

viii) Single  or double Slit : Mounted in glass for diffraction of laser.

ix) Cross wire : a thin wire mounted in curcular ring with rod.

x) Laser Grating : Hilger & Watt type 100  lines per inch.

xi) Three in one Laser grating : for demonstration purpose

a) 100 lines/inch  b) 300 lines/inch c) 500 lines/inch.