Sprcification of BY-4A:

1.Stem Material : Carbon Steel & Plating of Nickel

2.Shell Material : Stainless Steel & Plating of Nickel 

3.Mirror Material : Float glass 

4.Radius of Curvature:1200mm

5.Stem Length : 9.5*230mm

6.Packing: 40 PAIRS/CTN

7.G.W/N.W:22.5KG

8.Measurement: 50*38*50.5 cm