RAM Tough-Ball with 1/2″-20 X .50″ Threaded StudThe RAM Tough-Ball- Why call it tough? Because this latest addition to the RAM product line has steel inside and out. The seamless transition between RAM versatility and steel durability allows for a multitude of real-world, and out-of-this-world, applications. With so many of the things RAM uses incorporating threads and fasteners, there is no limit to the number of uses you’ll find for the RAM Tough-Ball. The RAP-379U-502050 consists of a 1.5″ diameter rubber ball, connected to a 1/2″-20 X .5″ male threaded post.Specifications:Thread Pitch: 1/2″-20 x .5″Ball Size: C Size (1.5″)Weight Capacity: Standard Use: 4 lbs; Heavy-Duty Use: 3 lbMaterials: High-strength composite, stainless steel threadsPackaging Type: PolybagWeight: 0.24 lbs