Features: Feature precise 7cm opening specifically designed for 86 junction boxes, making it easy to use even for beginners while improving work efficiency for home renovation and electrical projects. Upgraded with 14/20 point fixation to prevent shifting during use, ensuring accurate hole cutting for precise electrical and carpentry installations. Made from industrial grade polyethylene that withstands up to 105°C, preventing deformation and ensuring durability in various working environments. Provides consistent insulation, reducing shock risks for both professional electricians and home improvement users. Includes a built in hanging hole for simple organization and portability, keeping workspaces tidy during home renovations or electrical tasks. Specifications: Component:Plastic Type:14 Holes/20 Holes Size:Approx.32x11cm/12.59x4.33inch Package Includes: 1 Set 86 Type Wire Box Template note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.