Track Bracket 3 Way Threaded Rod. Compatible with 16RT Roller Track. Suspends three pieces of 16 Roller Track with one bracket via Threaded Rod, Part A3238-10. Does not provide ability for trolleys to transition. For mounting purposes only. Provides 2.5 inch steel plate with one 0.39 inch diameter predrilled hole. Requires Part N3/816CZ Nut.