1. Our unique feature: Large handle design easy to grip handle. Will not hit your hand when in use. Comfortable handle for better force application. Made entirely from nylon onepiece nylon molding. SCREWS EMBEDDED DESIGN Integrated screws prevent floor damage. 2. Knock Block: Simply place it on the edge of laminate or hardwood flooring and tap with a knocker for dense floorboards. Ideal for closing gaps in longer floorboards. 3. EXTENDED IMPACT BLOCK: This professional striking block prevents damage when installing delicate or grooved flooring. Unique combination edge design works with most flooring types. Available in 200/250/300/400 mm lengths. The installerspecific model offers extra length for longer floorboards. Lightweight for easier installation. 4. Note: Use only with a softheaded hammer, never a metal one. This striking block protects flooring tongues and edges during installation, allowing gentle placement of each plank into the adjacent groove.