RAM Mount Plastic Tough-Ball 0.31-18 x 0.375 inch Male Threaded Post with 1'' B-Ball

The RAP-B-379U-311837 Plastic Tough-Ball with Threaded Post has a 5/16-18 male thread 0.375 in length and 1 ball. The RAM Tough-Ball with Threaded

RAM Mounts Ball Base - RevZilla

RAM Mounts Ball Base - RevZilla

Mount an additional device to your 1.5 2 Torque Rail Base with the RAM B Size Ball Add-On. Use the included hardware to easily attach the add-on to your Torque Rail Base. With an extra B Size Ball, you have the ability to mount multiple devices to your ATV or UTV, such as two action cameras or even two spotlights. The choice is yours and the possibilities are almost endless.

Ram Mount B Size Ball Add-On for 1.5 2 Torque Bases

Ball Bases - B Size 1 Ball – RAM Mounts

The RAM-B-349-1U includes a M10 x 1.5 pitch male thread connected to a 1 rubber ball. The diameter of the round flange is 14.3mm and the thread length is 10.5mm.

RAM-B-349U Ram Mount M10 x 1.25 Pitch Male Thread w/1 Ball

RAM® Tough-Ball™ B Size Components – RAM Mounts

The RAM-B-337U consists of a 1/4-20 female thread hex hole connected to a B size 1 rubber ball - allowing you to take advantage of the RAM ball and socket system in a variety of applications.