Answer:
The ratchet-fit helmet weighs 398 grams (gross weight 0.41 kg) with an adjustable headband circumference of 520 mm to 600 mm. Key internal dimensions include an internal vertical clearance of 32 mm for plastic cradles (30 mm for textile), a wearing height of 93 mm (95 mm for textile), a 19.85 mm chin strap, and 30 mm universal accessory slots.
The Udyogi ULTRAVENT 7000 Series (Ratchet Fit) industrial safety helmet (SKU: KTI15018001UG70) is engineered according to precise industrial head protection metrics:
- Net Weight: 398 grams for the ratchet-fit model (overall product weight recorded at 0.41 kg).
- Headband Circumference Adjustment: 520 mm to 600 mm (52 cm to 60 cm) using the rear ratchet knob mechanism.
- Internal Vertical Clearance: 32 mm with plastic suspension; 30 mm with textile suspension.
- Wearing Height: 93 mm for plastic suspension; 95 mm for textile suspension.
- Peak Length: 40 mm (22 mm front bill clearance).
- Chin Strap Width: 19.85 mm adjustable strap.
- Textile Cradle Webbing Width: 24.58 mm.
- Accessory Slot Width: 30 mm universal side slots.
