I just installed a new 2 piece bottom die on my 50# Little Giant. I bought it from Sid. But I just asked for the bottom part and made my own top piece. But I'm just leery about it being held on by only (2) 3/8" bolts. Seems like they could shear right off with some fatigue. Does someone out there have the top part from sid? I'm wondering if it locks together in some way so the bolts aren't depended upon. Ed