Silicon (Si) 24.26mm Metalloid Disc 99.999% Pure for Collection or Experiments hidden Easy Installation/Release---No drill and tools

Easy Installation/Release---No drill and tools need

Branched Chain Amino Acid Powder

08 inches (LW)

5 V AA carbon battery (not included) Package includes: 6 x Quartz clock movements 8 x Minute hands 8 x Hour hands 8 x Second hands 6 x Rubber gaskets 6 x Brass washers 6 x Brass hex nuts 1 x Roman numerals in gold 1 x Arabic numerals in gold 1 x Roman numerals in silver 1 x Arabic numerals in silver 1 x Roman numerals in black 1 x Arabic numerals in black Notes: Be careful not to bend the hands with too much pressure

Zinc chromate plating offers good corrosion resistance

Silicon (Si) 24.26mm Metalloid Disc 99.999% Pure for Collection or Experiments hidden Easy Installation/Release---No drill and toolsSilicon (Si) 24. 26mm Metalloid Disc 99. 999% Pure for Collection or Experiments Silicon is a chemical element with symbol Si and atomic number 14. It is a hard and brittle crystalline solid with a blue grey metallic lustre; and it is a tetravalent metalloid and semiconductor. Silicon is the eighth most common element in the universe by mass, but very rarely occurs as the pure element in the Earth's crust. It is most widely distributed in dusts,