The Kreg 90 Degree Corner Clamp gives you the helping hand you need to hold 90 degree corners and "T" joints together securely when youre assembling boxes， drawers， cabinets and cases. Plus， the 90 Degree Corner Clamp leaves both of your hands free to add your fasteners. The 90 Corner Clamp is the fastest， easiest-to-use corner clamp you can buy thanks to Kreg Automaxx auto-adjusting technology. The 90 Degree Corner Clamp helps hold assemblies like boxes， cabinets， drawers， and cases together to ensure that you get strong， tight-fitting assemblies whether youre using Kreg pocket-hole joinery， or another method. The clamps V-wedge jaws grip the mating pieces securely， ensuring that the pieces sit at precise 90 angles while you drive in Kreg Screws， or even another type of fastener， such as a nail or wood screw. The 90 Corner Clamp features all-metal construction， including cast-aluminum pads an outer "V" and inner wedge that press against the inside and outside faces of the two pieces being joined in order to hold those pieces at a 90 angle to one another. Edge stops also help align the edges of the pieces to ensure accurate assembly of structures like boxes， cabinets， drawers， and cases.Thanks to Automaxx auto-adjust technology， all you have to do is squeeze the clamp handles. The clamp will automatically close with the amount of pressure you have set， regardless of the material， whether youre using thin plywood for drawers， or materials up to 1" thick.