Description CURT towing starter kits are the all-in-one accessory package to accompany your trailer hitch, equipping you with the necessary components to hitch up and hit the road. Each towing starter kit includes a ball mount and a hitch pin or hitch lock, eliminating the need to purchase these items separately and removing the stress of needing to find components of matching size.This CURT towing starter kit features a class 2 ball mount #45521 with a 1 1/4" x 1 1/4" shank to fit a class 1 or 2 trailer hitch. Like all CURT ball mounts that are made in USA, our class 2 ball mounts are CNC-formed and robotically welded for clean, accurate weld lines. This class 2 features a powder coat finish and comes with a pre-torqued, chrome-plated 2" trailer ball. It offers a 3 1/4" drop, a gross trailer weight capacity of 3,500 lbs. and a tongue weight rating of 350 lbs.Also included in this towing starter kit is a CURT hitch pin & clip #21403. This hitch pin features a 1/2" diameter and is constructed from solid steel to ensure reliable strength. It also comes with a zinc finish and a grooved end that allows the clip to be inserted at any angle. All CURT 1/2" pins come with a 105-degree bend, making them easier to handle and operate when mounting your ball mount, and they will fit any CURT ball mount or hitch-mounted accessory with a 1 1/4" x 1 1/4" shank.For the new hitch owner and towing veteran alike, a CURT towing starter kit is the perfect accessory to Bring It.Fits trailer hitches with a 1 1/4" x 1 1/4" receiver tube openingFactory-torqued trailer ball accepts 2" couplersUSA-made ball mount is CNC-formed and robotically welded for a perfect fit2 5/8" rise or 3 1/4" drop for precise trailer leveling1/2" hitch pin fits any 1 1/4" x 1 1/4" receiver tubeGrooved pin allows clip attachment at any angleBall mount protected by a durable powder coat finishTrailer ball features a polished chrome-plated finishLimited lifetime warranty (one-year finish, one-year parts)Notes:Includes loaded ball mount #45521, 2" trailer ball #40003, pin & clip.