UnderCover - Lux Hard One Piece (Painted) Truck Bed Cover - 2014-2018 GMC Sierra & 2019 Limited 6.7ft Short Bed Std/Ext/Crew (2014 1500 Only, 2015-2019 1500,2500,3500) 50(GAZ)(WA8624) - Olympic White - UC1146L-50 It can accept any mounted

It can accept any mounted CURT pintle hook or ball and pintle combination

It is rated for 17

It provides a ball diameter of 2-5/16" and has a gross trailer weight capacity of 38

making them the ball mount of choice for full-size pickup trucks and SUVs

UnderCover - Lux Hard One Piece (Painted) Truck Bed Cover - 2014-2018 GMC Sierra & 2019 Limited 6.7ft Short Bed Std/Ext/Crew (2014 1500 Only, 2015-2019 1500,2500,3500) 50(GAZ)(WA8624) - Olympic White - UC1146L-50 It can accept any mountedQUICK CLICK PATENTED REMOVAL Remove quickly with integrated EZ OFF lift handles when you need to make room for moving oversized cargo. HAUL 21% MORE Full 100% bed access21% more than traditional retractableswith EZ OFF convenience when needed. DESIGNED FOR EASY STORAGE Store on integrated feet when not in use, in your garage, truck bed, or back seat. BEST IN CLASS CARGO PROTECTION Padded soft impact storage case and innovative spiral track system