Designed to reduce exposure when handling vials containing liquid radioisotopes, the tungsten vial shield features a removable screw top with a magnetic cap to facilitate quick and easy access. Constructed with solid tungsten, the vial shield accommodates most 10 ml vials. 
Specifications 
Dimensions:
- O.D.: 1.44" dia x 2.99" h (3.7 x 7.59 cm)
- O.D.: (at grip ring): 1.74" dia x 2.99 (4.4 x 7.59 cm) - I.D.: 1.02" dia x 2.25" h (2.6 x 5.7 cm)
Attenuation: > 99% for Tc-99m
Weight: 1.75 lb (0.80 kg)