This tool heads is made from certified aircraft billet aluminum T-6 6061.
Manufactured on very precise CNC Machines (2020 Haas TM3P, 2020 Haas VF3 Super Speed and 2021 Brother Speedio S1000 X1 precision 0.00016")
This 3 machines are intended exclusively for all our reloading products.
Milled threads very precise and polish, to ensuring a perfect thread with perfect alignment.
Also the pin holes are precisely reamed to reduce play.
All surface are machined and chamfered.
All this parts are tested before shipping.
100% designed and made with pride in USA
FIT: ALL Dillon 550 Press. RL550 RL550B RL550C BL550
PACKAGE INCLUDE: 2 Tool head in Raw Aluminum.
SHIPPING SERVICE: Free USPS First Class buy 2 set and we ship PRIORITY MAIL