Right Angle clamp G39 Right Angle Clamp Holder The clamp is used to hold support rods and clamp extensions at a 90 degree angle. It will accept rods up to 5/8"in diameter. G65 Right Angle Clamp Holder Aluminum G40 Adjustable Clamp Holder The clamp will swivel a full 360 degrees and lock at any angle. It will accept rods up to 5/8"in diameter. G85 Adjustable Clamp Holder Same as G40, except made of aluminum materials. Qty :