Watch Glass

Watch Glass                                                 

Gelsonlab HSCG-1175 Laboratory Sapphire Double Dome 1.0mm Edge Thick Watch Crystal Concave Watch Glass Plain Watch Glass Beaker Cover

 
Note: Please ensure you are having the exact size before buying through precision measurement(caliper)
          The packing may differ due to different lot of production.
 
Specifications:
 
Edge Thickness: 1.0mm ( there might be ±0.1mm difference) 

Size 17mm, 17.5mm, 18mm, 18.5mm, 19mm, 19.5mm, 20mm, 20.5mm, 21mm, 21.5mm, 22mm, 22.5mm, 23mm, 23.5mm, 24mm, 24.5mm, 25mm, 25.5mm, 26mm, 26.5mm, 27mm, 27.5mm, 28mm, 28.5mm, 29.5mm, 29mm, 30mm, 30.5mm, 31mm, 31.5mm, 32mm, 32.5mm,, 33mm, 33.5mm, 34mm, 34.5mm, 35mm, 35.5mm, 36mm, 36.5mm, 37mm, 37.5mm, 38mm, 38.5mm, 39mm, 39.5mm, 40mm(there might be ±0.05mm difference for diameter)