The Jorgensen Medium Duty Steel Bar Clamp 4PC Set includes two 150mm clamps and two 305mm clamps, making it a versatile set for various woodworking and assembly tasks. These clamps are designed with strong steel bars, ensuring durability and a reliable hold. The medium-duty construction provides a balance between strength and ease of use, ideal for clamping wood, metal, or other materials during gluing, assembly, or other projects. The adjustable sliding arms allow for quick adjustments, while the ergonomic handles offer comfort and control. Perfect for DIY enthusiasts and professionals alike, this set offers flexibility for different clamping needs.