Key benefits - Provides precise, repeatable clamping for parts during drilling, boring, milling, prinding, and assembly work, improving accuracy and reducing setup time - Built from high grade tool steel with stress relief against distortion, then precision ground and hardened for durable performance and long life - Versatile size options: 120 mm long parallel, 4 mm thick, with heights of 10 mm, 15 mm, 20 mm, 25 mm, 30 mm, and 35 mm to fit a wide range of workpieces and fixtures - Stable, rigid performance helps maintain alignment and parallelism throughout operation, reducing part deviation and tool wear - Easy storage and transport: packed in a wooden case to protect, organize, and move the set Product details - Size - Length of the parallel: 120 mm - Thickness of the parallel: 4 mm - Heights available: 10 mm, 15 mm, 20 mm, 25 mm, 30 mm, 35 mm - Material - High grade tool steel with stress relief against distortion - Precision ground and hardened - Application - Easy to use in precision clamping of parts indrilling boring, milling, prinding, assembly work, etc - Storage - Set comes packed in a wooden case for easy storage, protection and transportation Use scenarios - Drilling: Clamp flat workpieces with a fixed parallel height to ensure holes are aligned across multiple parts in a single setup - Milling and boring: Secure components while performing surface milling or bore operations, maintaining consistent parallelism between parts - Assembly: Align and hold components precisely during assembly operations to ensure proper fit and finish This description preserves the original specifications and functions while presenting clear, customer-focused benefits and practical use cases.