Longruner1/4 Female-3/8 Female Spigot Adapter (5 Packs) + 1/4" male-1/4 Male Screw Adapter (5 Packs) + 1/4" Female-3/8 Male Screw Adapter (5 Packs) + 1 Cleaning Cloth KH05 (6)

Strong, sturdy & well made. Works well with my camera brackets. I absolutely like these for the flexibility they give in designing products for which I used them.

it does what i want it to do

Just what I was looking for.