• The Magnetic Spray Gun Holder will hold any cup or gravity fed spray gun without creating holes in your spray booth. The tubular design mounts to any flat steel surface with a 160 lb. Magnetic force. The LT-900 is totally portable -- hang it anywhere, move it any time and keep your spray booth brand new and hole free. Not just for spray booths. The LT-900 is an all purpose magnetic holder for use on your tool box or anywhere else in the shop.