Comes with a carrying strap for hanging around the neck.Ball diameter: 0.03 inches (0.7 mm); Shaft color: transparent; Ink color: black, red; Ink type: oil dye ink; Specifications: Rubber grip; Specifications: Includes strap; Refill: S-7S; Unit: 1 pack (10 pieces); Manufacturer model number: SE382.T x 10; *Please order in 1 pack.