For high energy gamma applications (PET) the syringe shield is made of 8 mm tungsten, with or without a lead glass window.
PET model screw lock, with lead glass window
Model VG-TSS/8/LG-1(72)-(75)-(77)
Fits 1 ml syringes
Model VG-TSS/8/LG-2(50)-(53)-(59)
Fits 2 ml syringes
Model VG-TSS/8/LG-3(60)-(65)-(68)
Fits 3 ml syringes
Model VG-TSS/8/LG-5(60)-(65)
Fits 5 ml syringes
Model VG-TSS/8/LG-10(75)-(80)-(85)
Fits 10 ml syringes
PET model screw lock, without lead glass
Model VG-TSS/8-1(72)-(75)-(77)
Fits 1 ml syringes
Model VG-TSS/8-2(50)-(53)-(59)
Fits 2 ml syringes
Model VG-TSS/8-3(60)-(65)-(68)
Fits 3 ml syringes
Model VG-TSS/8-5(60)-(65)
Fits 5 ml syringes
Model VG-TSS/8-10(75)-(80)-(85)
Fits 10 ml syringes