Steel reinforced rebar impalement caps Conforms to Cal OSHA safety regulations 4” x 4” Top Dimension Fits rebar sizes #3 (3/8”, 10mm) up to #11(1 3/8”,36mm), Flat stakes (3/8” x 1 1/2”) and round stakes (3/8” to 1 3/8”) Rated for 250lb drop up to 7 1/2” feet Weight 4.7 oz each High visibility safety orange in color. 3/16” Thick steel insert. 4 stabilizing vanes /fins. Box of 24 pieces.