21st Century - Case Holder With Driver Size:408 They offer an excellent light

They offer an excellent light transmission rate paired with a central illuminated point for quick target acquisition

but if there is one of these "New" case holders listed for your cartridge it is a good good idea to have both

Easy-to-use cross bolt connects the two ends of the ring instead of a traditional screw design that tightens directly into the threads of the die

The High Master Lens System has 2 Super ED lens elements within its lens system

Graduations of

21st Century - Case Holder With Driver Size:408 They offer an excellent lightThese case holders and drivers are for the 21st Century Lathe (used on the tail stock) and for hand turning with power driver or drill. To determine proper case holder driver you need for your application please refer to the chart here: