Includes:Drill Hole Firewall Hole Plugs Wire Protection 28 PCS(Tower type Drill Hole Grommets 14 PCS,Flat type Drill Hole Grommets 14 PCS) Applicable hole diameter:22mm or 25mm or 30mm or 35mm or 40mm or 50mm or 60mm Firewall Hole Plug for Wire(Drill hole diameter)(7 or 8 inch,1 inch,1-3 or 16 inch,1-3 or 8 inch,1-9 or 16 inch,2 inch,2-3 or 8 inch,) Applicable cable diameter:1 or 32 inch TO 2 inch, Made of high-quality rubber, with no unpleasant odor, good elasticity, wear resistance, cushioning and shock absorption, electrical insulation, long service life, anti-corrosion, and protection of wires from damage Material: rubber colour: black Package Contents: 1 set x Grommets Wire Protection Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.