Approximate size: 15 cm diameter x 28 cm tall. Shock and Heat Resistance from Borosilicate Glass This Ner Tamid is a unique piece, custom designed and built according to the needs, style, and budget of our client. It was hand made and features handblown glass flame from Borosilicate glass. Clients can choose from various wood types and glass colors. We also offer sandblasted glass to further diffuse light. Each Ner Tamid base is lathed from solid wood and mounted with hand blown glass, made individually by artist