Jorgensen Bar Clamps For Woodworking, 12" 2-Pack One-Handed, Medium Duty ? Basic Parameter: Load limit: 300 lbs; Throat depth: 3-3/8" from bar to top of pad; Max opening: single clamp-12", single spreader-20", joint clamp-28-3/4", joint spreader-40" ? One-handed Clamp: The medium duty clamp with a force display window which up to 300 lbs will help you precisely control the power applied. The innovative sliding head maintains higher clamping forces, The quick-release handle and trigger combine the speed and ease of single-handed use ? E-Z Hold Design: The versatile wood clamp can be easily converted into a spreader, and you can also connect two clamps together to make a longer clamp or spreader which is super convenient and stronger than you'd expect ? Features: Reinforced nylon handle and blackening surface bar with high frequency heat treated make the clamp strong and durable. The comfort grip and quick-release design make it simple to get a firm grasp. Removable and deep-reach jaw pads help to protect your work ? Applications: Clamps for woodworking is used in a wide range of medium-duty woodworking DIY projects. Great tools for hobbyists, carpenters, cabinet makers, woodworkers, metalworkers and professional trades people of all types ?Load Limit Indicator: A force display window is provided on the bar clamp for easy display of the current pressure, allowing you to precisely control the woodworking clamps to avoid crushing wood and metal