* Patented in Japan, USA, German, Taiwan.
* With anti-loosing design.
* Easy to assemble, with many sizes for choice.

SPECIFICATIONS :
* Material : Aluminum, Iron, Copper
* Length : 1/8" ~ 6"
* Screw : 5/16" (8#32 Thread)
* Hole : 7/32"
* Slotted or unslotted available