The support posts for the spindles are made of heavy-duty cast zamak covered in chrome electroplating

Directions for use:

The unit is installed right into the opening of the counter tops in your sink area and can be used with counters that are 1/2 of an inch to 4 inches in thickness

If the wall is thinner

Emerson number 2112

Guardian G1825 Eyewash Station, Pedestal Mounted, Stainless Steel Bowl Capacity-35 oz The support posts for theThe Guardian G1825 is a free standing, pedestal mounted eyewash station that features two GS Plus spray heads that deliver a flood of water for rinsing eyes. The GS Plus spray heads include "flip top" dust covers, internal flow control, and filters that remove water impurities. The unit also features an 11 3 4" diameter stainless steel bowl, a chrome plated brass stay open ball valve, and galvanized steel pipe and fittings. An ANSI compliant