SIRUI BA-2 Binoculars Adapter Compatible with binoculars or support system B1042B-MD B1042A Universal Mount on the tripod via 1/4”-20 threaded hole or on the tripod head via Arca base to meet different needs. SIRUI BA-2 Binoculars Adapter Similar Product Arca-Type Base No Arca-Type Base 1/4" -20 Threaded Hole 1/4“-20 Threaded Hole: Mount the adapter on the tripod via this 1/4”-20 threaded hole. Arca Base: Work well with head without adding any quick release plate. Safety pins on the bottom prevent the adapter from falling off from the tripod head. Aluminum Alloy Strong and durable. Aluminum Alloy Hollow Design for Low Weight Weight 0.07kg, Load Capacity: 5kg Quick Setup & Breakdown Included magnetic Allen key for easily tightening the screws to increase stability. What’s in the Box ① Binoculars Adapter*1 ② 1/4"-20 Thread*1 ③ Magnetic Allen Key*1 ④ Anti-dropping Screw*2 How to Install Top Button 1/4"-20Thread ①Rotate the top button and detach the 1/4"-20 thread. 1/4”-20 Threaded Hole ②Mount the 1/4"-20 thread on the binoculars and use the Allen key to tighten. ③Mount the binoculars on the tripod adapter via the 1/4"-20 thread and rotate the top button to fix. How to Detach ①Loosen the top bottom and demount the adapter. ②Use the Allen key to loosen and detach the 1/4“-20 thread. ③Put away the accessories. Specifications Model BA-2 Dimensions(mm/inch) 64X38X108/2.5X1.5X4.3 Material Aluminum Alloy+Stainless Steel Base Arca Base Color Black Weight(kg/lb) 0.07/0.2 Mount Type 1/4”-20 Screw Max Load(kg/lb) 5/11.0