PBCBGE14 Arca-swiss Bracket Plate for Canon 90D, 80D & 70D with BG-E14 Battery Grip Lens screw The main difference is the

The main difference is the clamp type as the name implies

1 Inches (130 mm)

ProMediaGear manufactures the Katana Pro out of aircraft-grade T6061 aluminum

Here we have the rail with two mounted #CS2 Cold Shoes and a #CN30 Nato Clamp in the middle

PBCBGE14 Arca-swiss Bracket Plate for Canon 90D, 80D & 70D with BG-E14 Battery Grip Lens screw The main difference is theThis ProMediaGear bracket plate is custom fitted for Canon 90D, 80D & 70D BG E14 and Canon 6D BG E13 Grip Battery Pack. The bracket plate can be mounted to ProMediaGear flash brackets or L Brackets. Since it is custom designed it fits like a glove perfectly matching the camera shape, it also provides anti rotation so the plate won't slip or twist. The plate has been machined from solid Aluminum T6061 block and has hard black anodized surface coating