Toroid Winding Kit Comes with :
One - 6.5" Toroid iron core (correct metal mix, approved by Bob)
100 feet of 16awg Mil Spec wire on an easy to wind spool
100 feet of 20awg Mil Spec wire on an easy to wind spool
20 ft of yellow transformer tape.
3 - RF 1.57" choke cores
.5 lb of bee's wax
Instructions e-mailed to you after you order.
(All materials approved by Bob Boyce®)
More info is here. Watch the PWM3G and Toroid video by Donna