6 Size Assortment KitThe set contains 6 size in white and black color: 6.4R1/4),8.4R 5/16, 10.4 R3/8),13.2R1/2), 19R (5/8), 23R( 1), coming with M4.2*16 screws. 132 Piece R-type cable clip cord organizer and 132 piece screw, totally 264 piece. UV Nylon MaterialMade of UV nylon plastic,corrosion and wear resistant, high temperature resistant and anti-aging. Smooth surface without any burr, high toughness and self-lubricity. Easy to useSimply put the wire into the round hole and then tighten the clip and mount it into wall or ground with one screw. Work done!!! Simple and convenient to use. Keeping the messy wires organize with ease. Equipped with Screws Come with M4.2*16 screws, one-on-one pairing, saving you time looking for suitable screws. Made of high-quality 304sainlees steel, 45 degrees force, corrosion and rust resistance, NOT easy to slip and damage the wall. Great Cable OrganizerGood helper for managing wire and cords. Widely used f