【LOW PROFILE DESIGN】The ball head is designed with a low center of gravity, CNC machining and 1.42in/36mm ball diameter, making it very stable. Its security slot protects your camera at all times..【EXCELLENT QUALITY】Adopting all-metal structure, 0.01mm machining tolerance, anodic anodized and ultra-high-strength aviation aluminum alloy,it can load 44lb/20kg but weighs 0.93lb/0.42kg only!.【PANORAMIC VIEW】It is finely laser-engraved in 15°, increments from 0°-360°and double spirit bubbles to meet the needs of accurate photography and panoramic photography..【ANTI-LOST DESIGN】G36 has a anti-lost design, all the knobs of this ball head can not be screwed off. 1/4" screw of quick release plate and 3/8" screw hole in ballhead's bottom fit most photography equipments..【WARRANTY&PACKAGE】We（INNOREL Technologies Co,.Ltd.） provide 2 years warranty of our products. There is a ball head,an Arca-Swiss quick release plate, a quality certificate and a warranty card in the package. Please feel free to contact us if you need any help in any time .