FOTGA DP3000 M1 Single Front Handle Grip Rail Clamp Block for 15mm Rod DSLR Rig Specially for follow focus kits DIYers, DSLR movie makers.Suitable for industry standard 15mm rods 60mm Rail distance system Made of durable anodized black aluminum Provide steady video shooting with DSLR Made by CNC machine The Telescopic handles with rubber gripping gives the complete rest to hands while shooting