We are offering arc lamp.
Stk series krypton lasers
description of model number: stk-xxx-yyy-zzz-w or stk-xxx-yyy-zzz-dxl
stk kr lamp
xxx outside diameter (in general, the thickness of the glass tube is 1mm)
yyy arc length
zzz over all length
w -- wire end style (no w means base end style)
dxl diameter and length of base if the end is base