3 sets of 3 Symposium's Rollerblock® JR Series 2 with upgraded Grade 10 Tungsten Carbid Balls in excellent condition.
Tops have 1/4/20 threads, bottoms have black velvet.* Will include 3 1/4/20 adaptors.
Cost $1047., $450. shipped via USPS Priority Mail.


*You don't need to use the 1/4/20 threads, and the velvet which is held in place by double sided tape can be easily removed.