FastenMaster 6-1/4" ThruLok Bolt 6/box

The 6 1/4" is engineered to connect 4x4 posts to 2x joists. The 7" is engineered to connect two 2x beams to a notched 6x6 post. The 8" is engineered to connect 4x4 posts to a double rim joist or single rim joist and 2x blocking. The 9 1/2" is engineered to attach a 6x6 post to two 2x beams.