Side release buckle. Use as a lightweight restraining strap for roof racks. General-purpose straps for any small articles.Ideal for surfboards, etc. Australian/New Zealand Standard AS/NZS 4380:2001. Australian made quality.Other Details: Part No. Type Buckle Material Hook Material Strap Colour Strap Width(mm) Strap Length(mm) Lashing Capacity(kg) Breaking Strength(kg) Sold in 70517 Light Duty Plastic - Black 25 2.5 50 Max. 100 Pairs