U-adaptors
The 093 U-Adaptor allows blocks with 10 mm (3/8") posts to be attached to swivel bases or to other blocks with 10 mm (3/8") posts.
The 1598 U-Adaptor allows blocks with up to 15 mm (19/32") posts to be attached to swivel bases or to other blocks with 15 mm (19/32") posts.
The 463 U-Adaptor adapts 75 mm Carbo singles to swivel bases.
The 9050 U-adaptor allows 57/75 mm Carbo blocks to be attached to 170 Hexa-Cat Base or other blocks with 12.7 mm (1/2") posts and 6.35 mm (1/4") pins.