Armor-Tool P7-IL Armor Auto-Adjust In Line Dog Clamp, Auto-adjust clamping technology - no need to adjust Clamp as you change the material thickness. Saves time and hassle Easy one hand operation. Adjustable clamping pressure from 25-550 lbs. With a push bar for a horizontal clamping range of 3.5". use with armor dog fences Split dog accommodates 3/4" or 20mm dog holes. Place anywhere a dog table. 360 Degree rotation Hardened plastic tip with non marring pad. V notch for clamping corners; also holds flat and round surfaces