Upgraded with 14 / 20 point fixation to shifting during use, ensuring accurate hole cutting for electrical and carpentry installations Feature 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 Made from industrial grade polyethylene that withstands up to 105°C, 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, Manufacturer: Tsophreniq