This item 120 includes Duran DFG clamp kit (bottom clamp, screws and Allen wrenches) that covers most 4XX series baitcasters. Here is a link to Duran site this clamp covers Lexa 400, Tranx 400 -500 , Komodo 4XX,
Duran use to have 2 models (large or small), now only 1 in large that fits both sizes.
DFP LARGE for diameter 3/4 (.750) to 1-1/2 (1.50)
BoilingTuna Trigger clamp
Model 120 also included is the BoilingTuna composite trigger clamp color of your choice and SS mounting HW.
Package will include 2 sets of screws to mount the trigger clamp the Duran clamp.
Most rod diameter of these set up is about 1.1 inch. if the clamp does not fit you can grind away the locking lugs for larger diameter rod. Instructions are here
Setup is easy mount the Duran clamp by sliding the clamp over the foot of the reel, secure the 2 small Allen screws. Then install the trigger with the supporting hardware. Check for the proper screws length. based on your rod diameter