FALCAM GEARTREE 15.8mm Stud with 1/4'' or 3/8'' Male Thread Almost the same as the 15.8mm stud, with a screw on one end, the screw size can be switched to 1/4 & 3/8 by using the H3 hexagonal screwdriver. It is suitable for equipment containing steel column mounting holes such as Basic Extension Grip Arm and Full Motion Swivel Arm in Geartree system, and it can be compatiable with other brands equipment in the market, which with 1/4 & 3/8 screw thread base. Specifications Color Silver Material Aluminium Alloy Dimension 11*15+4cm Weight 43.3g Packing Weight 51.3g Parts Hex key *1
Strong suction, no fear of high speed. Made of high-quality rubber and industrial-grade air pump, sucking air through the pump so that the bottom is in a vacuum, then the strong suction makes it stick firmly to the surfaces even at high speed, safe as you want.