Tungsten Bucking Bar Pro Set (4 Pieces) - BB-4/5/6/7 SAVE MONEY: save almost 15% when you buy the set! The Pro Set has a $50 discount compared to purchasing the bars individually, and comes with a free carrying case! BB-4: 1.21 lbs, 5/8" x 1.5" x 2" BB-5: 1.67 lbs, Notched Side 3/4" x 1.5" x 2.5" BB-6: 1.33 lbs, Angled Face 3/4" x 1.5" x 2" BB-7: 1.50 lbs, Angled Face 5/8" x 1" x 4"