[Heavy Duty Pin Clamp]The cleats on both sides of the pin clamp are made of aircraft-grade aluminum alloy, and the is anodized, making it more suitable for daily woodworking. The clamp body is made of 45 steel and has been heat treated to have higher strength and resistance to deformation. [High Precision Positioning]The holes are precisely vertical and located in the exact center of the block. Clamps firmly and evenly, the scribed lines with large viewing windows on both sides seen in the front view allow for direct alignment in the centre. Makes installation and drilling very easy and accurate. The markings on the guide blocks and the hole sizes on the clamp blocks are laser engraved. [Adjustable and Multifunctional]The drilling clamp is easy to adjust and can accommodate sheets of different thicknesses from 170mm-560mm. Suitable for making different wooden dowel joints, can be used to make precise butt joints, miter joints, edge joints, as well as mortise and tenon joints for making some shelves, cabinets, desks, tables, repairing doors, and installing railings. [Multiple Applications]The dowel clamp is designed for drilling and wood joints, and comes in 5 standard SAE drill bit sizes, 1/4 inch, 3/8 inch, 5/16 inch, 7/16 inch and 1/ 2inch. Our clamp has 4 holes in the top, 2 holes accept threaded bushings and are replaceable for 6mm, 8mm and 10mm sizes, the other 2 holes are non-replaceable, making it easy to apply them to mortises, tenons, etc. Doubling, building furniture and repairing tables. [ and Reliable]The sturdy aluminum sides of our clamps can securely hold workpieces without damaging the wood, ensuring they will last for years to come. The dowel clamp is designed for drilling holes and joining wooden boards, making it an Perfect tool for panel furniture. Colour:Photo Color Material:Metal Packa Contents: 1 x Locator 6 x Threaded bushing (two for each size of 6mm/8mm/10mm) 1 x Screwdriver 3 x Drill bit 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.