Style: Latitude (EQ) Base + Counter Weight KitS20530 Star Adventurer Latitude (EQ) Base, Telescope Accessory, BlackSmooth and reliable way to polar align your mount Internal gearing Aligning to north celestial pole easy and repeatable Adjusts from 0º latitude to 70º latitude Bubble level to make sure base is horizontalS20540 Star Adventurer Counter Weight Kit, Telescope Accessory, BlackProvides smooth tracking and less stress Counter balances your payload Takes Star Adventurer to its maximum payload of 11lbs. Features a lock knob and counterweight safety stop Need the Dec. Bracket to use