Offering a high quality 9:1 ratio vernier with red pointer and knob. Manufactured in England. Front panel thru-bolt mount. Accommodates a 1/4" shaft. Velvet smooth with no backlash Pointer is removable. Similar to units used on Drakeand Ameritron amplifiers. $12+ shipping Ron W2CQM/3 http://swap.qth.com/adimages/421997.jpg