Kit consists of Comparator Holder black. The back of the holder is fitted with milky colour acrylic screen. In front of the holder there are three windows. The two side windows are fitted with colour standard strips. The middle window is meant for the square tube for colour comparison. The dimensions of the windows: height 3 cms. Appox, width 0.5 cm appox. Square H.B. Tubes : 2 H.B. Pipettes : 1 Amber colour glass bottle : 1 Glass Stirrer : 1 Dropper with teat : 1 Cleaning Brush : 1 Spare latex tubing one meter