SmallRig 4122 Suction Cup 4" with camera mount The suction cup camera mount, made mostly of robust and wear-resistant NBR, can work at -40°C to 60°C. With powerful suction force, it has maximum horizontal suction of 50 kg and maximum vertical suction of 35 kg. The recommended maximum load capacity is 2-4 kg.The aluminium-alloy suction cup camera mount comes with such accessory mounting points as 1/4"-20 threaded holes, 3/8”-16 threaded holes and ARRI 3/8"-16 locating holes for attaching SmallRig: 3757, 3873, 3874, 3875, 2906, 2070, 2115 , etc. It is manually pumped and locked, with a safety-line indicator to ensure safety and reliability. When not in use, put on the dust cover to prevent dust for longer service life. Note: 1. Suitable for clean and glossysurfaces, not for rough, uneven, dirty or fragile surfaces 2. Please always keep sucker and filter cotton intact and clean 3. Please apply it carefully to coated surfaces 4. When the safety-line indicator shows, it means vacuum loss 5. Please mount it onto recommended surfaces and check at least every four hours Compatibility: Universal Package includes: 1 x 4″ (10cm) Suction Cup Camera Mount