Grip-Rite OSHA Rebar Caps.  Bright orange color with 4" x 4" square top.  2-1/2" long.   Product fits #3 to #7 reinforcing bar.  Provides OSHA approved, limited protection from protruding rebar.  These caps are reusable (when not damaged), and are built of a high-quality polymer technology with steel reinforcement.  Look to Grip-Rite for your Concrete & Masonry Construction Needs.