1. The tube with built-in steel wire is stronger and more flexible. It is 27cm in length with two 1/4" screw holes at both ends for extension. The net weight is about 120g.
2. The ball is hollowed out, designed with 14 standard 3/8” screw holes; each hole is directing to the center point, the maximum thread length is about 2cm, and the maximum depth of the two horizontal interconnected holes is about 50mm; can be installed on 3/8” tripods or light stands, while supporting up to 13 standard 3/8” screws.
1 x 27cm Flexible Metal Tube IS-RG
1 x 1/4" to 1/4" Adapter Screw IS-S
1 x 1/4" to 3/8" Adapter Screw IS-T
1 x Multifunctional All-metal Magic Ball IS-MSQ
(The other items in the photos not listed here are for illustrating only, not included)