This installation tool is a reliable partner for home and engineering installations. It is carefully forged from high-quality solid metal, sturdy and durable, and not afraid of high-strength use. Thoughtfully equipped with anti slip rubber handle and anti slip protection device, providing you with full protection throughout your operation. No matter what the environment is, you can grip it steadily and feel a sense of security. Compact and exquisite, with dimensions of approximately 6.42 in. x 4.7 in. x 1.06 in. weighing only 0.86 lbs. easy to hold and control, and not tiring. The unique design is designed specifically for the expansion of hollow drive wall anchors, which can easily cope with installation difficulties, provide reliable support for suspended objects, have strong load-bearing capacity, and ensure safety and security. The operation steps are simple and easy to understand. Simply drill a hole or drive the anchor bolt into the drywall, pull out the screw about 1/4 in. backwards, install the tool and gently squeeze it. The tool will automatically ratchet, steadily pull out the screw, and expand the anchor bolt perfectly without complex skills. Everyone can quickly get started. The application scenarios are extremely wide, and the hollow anchor gypsum board can be easily fixed. The base surfaces of drywall, hollow block, gypsum, ceramic tiles, etc. can be perfectly adapted.