When you're not towing, secure your Shocker gooseneck air hitch with shift lock coupler with the Shocker Padlock-Style Coupler Lock. Made of steel, this coupler lock works for both the 2-5/16" and 3" shift lock gooseneck coupler. This padlock-style locking kit is designed specifically for the Shocker gooseneck hitches with the patented shift lock coupler. Fits both Shocker Hitch 2-5/16" and 3" gooseneck ball couplers with shifter lever handle on shift lock coupler, including the Shocker 30K and 40K gooseneck air hitches with shift lock coupler. Also fits 9" offset Shocker gooseneck air hitch and coupler along with the quick air 5th to gooseneck air hitch shifter handle. The lock kit prevents someone from hooking up the coupler and stealing your trailer. Protect your gooseneck trailer with the Shocker shift lock gooseneck coupler lock. Pad lock sold separately. Made for Shift Lock Gooseneck Couplers â Designed specifically for the Shift Lock gooseneck coupler to lock your gooseneck coupler to prevent trailer theft. Fits Shifter Lever Handle Shocker Gooseneck Couplers â Coupler lock fits all Shocker Hitch Shift Lock gooseneck coupler including 2-5/16" and 3" ball couplers. Shift lock features shifter lever handle including the Shocker Quick Air 5th to Goose, Shocker 30K and 40K Gooseneck Couplers with Shift Lock Lever Handles. Use While Trailer is Unhooked â Designed to prevent theft when your gooseneck trailer is unhooked from your pickup. HD Construction â Built with black matte textured powder-coated high-strength steel providing long-lasting security for your trailer. Lock Kit Includes â Base locking frame with flat bar with hole for padlock. Padlock not included. Built with black matte textured powder-coated high-strength steel Includes base locking frame with flat bar with hole for padlock (not included) | Camping World Shocker Hitch Shift Lock Gooseneck Coupler Lock, Padlock Style in Black