Made of high-density aviation aluminium by automated CNC machine tools. The bracket's surface has been anodized multiple times.
The bracket consists of four parts, weighing about 410g, a quick release plate using RRS/ARCA-SWISS structure, and the max load capacity is about 5kg.

Please note that:

The minimum length of the lens used cannot be less than 12cm (excluding the lens hood); the front side of the lens cannot be rotated.
The lens hood cannot be installed reversely. For some lens models, lens hood has to be removed before use.

Applicable lens models:

Canon RF 15-35mm F2.8L IS USM
Canon RF 24-70mm F2.8L IS USM
Canon EF 16-35mm F2.8L III USM
Canon EF 24-70mm f/2.8L USM（Without lens hood）
Canon EF 24-70mm F2.8L II USM
Canon EF 70-300mm f/4-5.6 IS USM
Canon EF 70-300 F4-5.6 IS II USM
Canon EF 75-300mm f/4.0-5.6 IS USM
Canon EF 75-300mm f/4.0-5.6 III USM
Canon EF 100-300mm f/4.5-5.6 USM

Nikon Nikkor Z 24-70mm F2.8 S
Nikon Nikkor Z 24-120mm F4 S
Nikon Nikkor Z 28-75mm F2.8
Nikon AF-S Nikkor 16-35mm F4G ED VR
Nikon AF-S Nikkor 24-70mm F2.8E ED VR
Nikon AF-S Nikkor 24-70mm f/2.8G ED
Nikon AF-S Nikkor 28-70mm f/2.8 ED-IF
Nikon AF-P Nikkor 70-300mm F4.5-5.6E ED VR
Nikon AF-S Nikkor 70-300mm f/4.5-5.6G VR
Nikon AF Nikkor 180mm f/2.8D ED-IF

iShoot IS-LINKER140 Lens Support Bracket for Canon/Nikon 24-70/2.8＆70-300mm Lens