Features:1. The Desk Grommet and Hole Saw Kit is compatible with 2" diameter standard holes.2. Flexible soft hole can accept any cables and wires under 1.5 inches(diameter).3. Easy to install: Assembling the hole saw with the equipped hex wrench first, then drill the hole on the desk, at last insert the grommet cover into the hole directly and organize the wires. Easy to install and practical for use.4. The Universal Holesaw Hex Shaft comes with an extra Drill Bits and a M4 hex Wrench, which fits for bench drill and electric drill etc.5. The Desk Grommet and Hole Saw Kit is good for organizing cables to keep desk neat and clean.Specification:Name: 2 Inch Desk Grommet and Hole Saw KitColor: BlackMaterial:Desk Grommet: Plastic and Soft GlueHole Saw: M42 Bi-Metal High Speed Hacksaw BladeSize:Desk Grommet: Bottom Diameter(Mounting Hole Diameter) 2" (50mm), Top Diameter 60mm, Height 23mmHole Saw: Open Hole caliber 50 mm/ 2" , Depth 38 mm / 1-1/2" , Hex Shaft 12 mm / 1/2" Package Includes:6 pcs 2" Flexible Desk Hole Cover Grommet1 pc M42 Bi-Metal Hole Saw1 pc Hole Saw Drilling Shaft1 pc Drill Bit1 pc M4 Hex WrenchNote: Manuel measure, please allow little reasonable error.