The ZERO Mounting Bracket BlockMaxR2 to all other Tripods, EXCEPT for the Descend Mate. For the Descent Mate, use the MB171DM. Features of the ZERO Mounting Bracket BlockMaxR2 to all other Tripods: Lifespan up to 10 Years Weight: 3.15kg Material: Steel At ZERO Height Safety (NZ/AU) Limited, committed to minimizing our environmental impact and promoting sustainable practices throughout our operations. At ZERO, giving back to our community is important to us. Volunteering allows our team to have a sense of fulfillment and contribution. We love supporting organisations that are doing great work and whose company values align with our own. 100% New Zealand owned & operated