Single Knob and Nut Cross Blocks. Used for connecting two round rods at 90^o.

• Adjustments can be made by loosening the hand knob. Plastic knobs function independently for precise adjustment.
• Knobs have brass insert for easy turning and to prevent galling. Stainlesss steel eye bolt firmly clamps around adjusting rod for superior holding strength.
• Eyelet does not mar rod when tightened, resulting in smooth rod surface that easily slides through the cross block.
• No set screws required. Plastic or Stainless bodies accept 12.70 or 15.88mm rods.