MUSTBAU 6PCS Hard Hats Construction Safety Helmet Wheel Ratchet Adjust Hat 52 66cm for Scaffolding, and Tradesmen EN 397

Safety Protection: The GM-16 hard hat, made from high-impact resistant ABS, offers superior top impact protection. Ideal for industrial and manufacturing environments, including electrical, utility, construction, oil, gas, and petrochemical sectors. 【Slotted for Accessories】Our hard hat designs slots on both sides, allowing for the use of various accessories such as noise-cancelling headphones and face shields. It is engineered to provide optimal balance and weight distribution, allowing you to wear additional attachments without discomfort or strain. 【Easily Adjust】Our safety helmet features a wheel ratchet strap adjustment which makes it adjustable from 52- 66cm, so that it can easily and securely fit on most heads. And it also includes an adjustable 4-point Y-type chin strap for maximum comfort and customization 【Comfortable & Breathable】The safety helmet shell is designed with an "H" shape on the top and eight ventilation holes on both sides, the interior of the helmet features a highly breathable soft sweatband. Its advanced ventilation system and breathable design ensure optimal airflow, allowing heat to escape and keeping you refreshed throughout the day. 【Professional Standards】This construction hard hats with multiple built-in impact absorption points, effectively disperses the direct harm caused by impact. It complies with the applicable standards of GB2811-2019, CE, EN397:2012, and ANSI Type1 (Class C) for helmets