This package includes: Trimble Catalyst DA1 Antenna Mounting Accessory Kit RAM, Universal X-Grip Cell/Iphone Cradle Also included: RAM-B-201U-A RAM, 2.5 in Small Length Double Socket Arm for B Size 1" Balls SS-RXRAM-GPS- HOLDE Catalyst GPS Holder Only With The Three 1" Ram Balls for Radiodetection RAP-B-379U-252037 Ram Tough Ball 1/4"-20 X .375" Long (Single Ball)