Personalized Nuts and Bolts Pumpkin Men's V-Neck T-Shirt. A pumpkin face made up of nuts and bolts is a humorous gift design for mechanics and structural engineers at Halloween and birthdays. 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