Introducing the 180° Variable Screw Clamp by POWERTEC. The Screw Clamp is a versatile and powerful tool that can be used for a variety of woodworking, metalworking, and other light-duty clamping applications. The 180° horizontal clamping is a technique that allows you to clamp 2 - pieces of material together using a 360° rotation. This clamping tool fits ¾ in. bench dog holes and can be smoothly rotated for free positioning. It is ideal for clamping components at an 180° angle, and it can be smoothly rotated a 360° for free positioning. The 180° screw clamp is equipped with an adjustable stop collar with an internal O ring, which allows for easy up and down adjustment. The screw clamp can be used for a variety of woodworking, metalworking, and other light-duty clamping applications, including miters, butt joints, picture frames, welding, fabrication, and assembly. The Deluxe Bench Dogs A practical, low-profile design that not only increases the precision of your woodworking projects but improves the safety of your employees (and work pieces) as well - including removable padded bench brakes for an anti-slip work surface and a squared clamping pad that delivers a secure fit. Also included 2- 3/16 in. holes where dowels can be inserted for perfect painter's points. The bench dogs were constructed out of high-quality nylon, delivering strength and uniformity, and come with non-slip ethylene vinyl acetate (EVA) rubber bench brake inserts. Material: Stainless Steel.