Perspex Lens Holder, Screen Holder, Candle Holder (i) Dia 35mm. Perspex rod over all hight 55mm with with 2.5 mm x 10mm elliptic depth slot & 4mm wide x 6mm elliptical depth slot. Bottom end slot 5mm x 27.5 mm for sliding on wooden scale. (iii) Perspex piece over all height 21.5mm approx round bottom 47.5 mm slit 27.5 x 5mm depth width 25.5 mm top slit straight 8mm deep & 3mm wide. (iii) Perspex piece over all height 21.5mm approx round bottom 47.5 mm slit 27.5 x 5mm depth width 25.5 mm top have 12mmdia hole x 8mm depth.                                                                                                                           Quantity 01 Each