About this product The Synergee 1-inch barbell is a specialty multipurpose bar in chrome-finished steel, rated at 50,000 PSI tensile strength with zero whip. Three lengths fit different spaces: 56.4 in (143.3 cm) at 12.3 lb (5.58 kg), 72 in (182.9 cm) at 15.4 lb (7 kg), and 84 in (213.4 cm) at 18.7 lb (8.5 kg) — all rated for 350 lb (158.8 kg). The grip shaft is 1 in (2.5 cm) in diameter with 1.2 mm diamond knurling, single knurl marks, and no center knurl. What's included 1 Synergee 1" Barbell Features Specialty multipurpose bar with a chrome-finished steel shaft Bar weight by length: 12.3 lb (5.58 kg), 15.4 lb (7 kg), or 18.7 lb (8.5 kg) 350 lb (158.8 kg) weight capacity 1 in (2.5 cm) shaft / grip diameter Overall length: 56.4 in (143.3 cm), 72 in (182.9 cm), or 84 in (213.4 cm) 50,000 PSI tensile steel, zero whip; 1.2 mm diamond knurling, no center knurl Best for Beginners who want a lighter starting bar — 12.3 lb (5.58 kg) to 18.7 lb (8.5 kg) depending on length. Home gyms short on space — the 4.7 ft option is 56.4 in (143.3 cm) overall and easy to move and store. Light-to-moderate strength work that stays within the 350 lb (158.8 kg) capacity.