Paul,
Here is the address:
DICK BYRON
3325 GALAWAY BAY DR.
GRAND PRAIRIE, TX 75052
972-336-0445
dick_byron@msn.com (PAY PAL)There is an underescore between Dick and Byron ( _ )
http://www.dickbyron.com$22.00 including shipping.
These are the sliders that I use. Being able to adjust your line spacing will greatly improve your flying. It will virtually eliminate bobbling.