Velbon Aluminum Ball Head with 44mm Base Diameter and Quick Shoe Product 471826 QHD-53Q Medium-Sized Mount, Number

QRA-6 system compatible type that can be quickly attached and detached, suitable for Velbon 500 series tripods Manufacturer model number: QHD-53Q (JAN: 4907990471826) Height: 95mm Camera stand dimensions: 77 x 39 mm Body mass: 310g Recommended load weight: 4.0kg Levels installed: 3 locations (bale-shaped levels) Bottom mounting screw: Compatible with both UNC3/8 and UNC 1/4 Shoe plate: QRA-35L SHOE BK (ASIN: B000923HJU) *Compatible with QRA-6 system