Personalized Work With Nuts Beam Men's V-Neck T-Shirt. Structural engineers work with nuts with and bolts on a steel beam is a funny design for engineers at birthdays, holidays and graduation. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem