ERGOTRON SINGLE ROTATION STOP KIT, LX ARM, Clear Anodized, nastavitelná zarážka This adjustable rotation kit controls the range of motion of the LX arm, so the extension doesn’t come in contact with a desk panel or divider. Part Number: 97-774-003 Product Weight: 0.2 lbs Shipping Weight: 0.3 lbs Description: LX One-Stop Rotation Control Kit (anodized silver) Includes single rotation stop collar, stop post, set screws and hex wrench Provides an adjustable rotational stop Mounts directly to a 35 mm diameter pole Note: Not compatable with the LX Dual Side by Side Arms (45-245-026, 45-491-216) or LX Sit-Stand Arms (45-360-026, 45-384-026) Shipping Dimensions: 9" x 7" x 0.8" (23 x 18 x 2 cm)