I bought this thing to suspend what I suppose is a typical condenser microphone. Mine happens to weigh 14oz - I got out a scale for this. Let's review this piece by piece, starting from the bottom.The mounting is acceptable... With enough clamping pressure for a secure fit, there's some distortion in the screw part of the clamp, but whatever. It works... I use some cardboard between the screw plate and the upper part of the mount to keep them from direct contact with the clamped surface.Basically, the boom is loose in the boom holder, and screwing it down changes the boom position from limp to erect. It makes turning the boom annoying - either the screw is so tight the mount moves, or it's so loose the boom almost inevitably pops out. Between just makes moving it difficult. (see note 1).The boom springs and function is good. It goes up - it stays up. It goes down - it stays down. This part gets some praise for working right. However, the enjoyment is severely limited by the issue above.If your mic/shock mount and the male end don't match, there's a removable adapter in the dynamic mic holder. It's where the stem connects to the holder, and can be removed with...a butter knife. (see note 2)Originally, the boom was unable to hold my microphone. The stem would sag, etc. Tightening the bolts didn't really help... The fix is easy and is seen in my third and fourth pictures: remove the plastic knob and carriage bolt from the elbow part of the boom and swap with the hex bolt and nut from the stem mount. Like this, you can tighten the mic stem joint properly!!! Note that this takes a moderate amount of dexterity to reassemble the stem part unless some sort of leader is used when removing the stem screw to capture the assembly. (see note 3)Just putting on an M4 female screw head like uxcell M4 Female Thread 33mm Plastic Star Head Screw On Clamping Knob 5pcs won't work so well because the elbow bolt is a carriage bolt, and the stem bolt is a plain hex bolt and unless you want to get out the sockets every time you adjust your mic, you would prefer a carriage bolt.The downside is that you can't adjust the elbow tightness. This does matter a bit because the boom will so easily slip out of the mount. But consider that it's an annoyance that lasts only the length of the time the boom is being moved versus the time the mic is being held up from falling.-End Review-* note 1The part that keeps the rest of the boom from turning (via a screw on the mount) kind of sucks. In an ideal world, I suppose, the inner diameter of the mount would be just larger than the outer diameter of the boom end. Basically, it would fit smoothly - just less than a tight fit - and the locking screw, which keeps the boom from turning on the mount, would barely need a turn to work. However, because the ID/OD differences, it takes multiple turns of the screw which then forces the rest of the boom erect.* note 2Some people think a coin will work for this. If it works for them that's good, but there's not much for a coin to grip on. A butter knife is thin and strong enough, while being easy to obtain.* note 3The bolt diameter is 4mm by 20mm long.This is from the original version of the review. Pictures 1 and 2 are related to it. I have since updated but keep the old text here:<strike>To get the boom to hold the mic in a position I want, I have to use thick copper wires from the shock mount to one of the hinge parts, and put some sort of object to pick up enough slack to lift up the microphone to the position I want. Without it, it just sags down as much as gravity can have it. I can't even have it sagged down and turn the mic, because then there's that 14oz on one side of the friction hold, and then it sags further. I've tried tightening the joint, adding washers, using sandpaper, superglue, and I'm about to borrow a welder.</strike>