/ Precision Measuring Tools / Precision Hand Tools / Depth Gages / Dial Depth Gages / 640RJZ * Not actual product image 52709 640RJZ Dial Depth Gage 52709 Other similar products The Starrett 640RJZ Dial Depth Gage is the same as the 640JZ except they have reverse movement (no push button) and can easily be used with one hand. Simply set on zero and apply the contact to the work and read the measurement. 0-1/2" Range, .0005" Grad, 0-50 Dial, in Case. Features Specifications Downloads Contact Starrett Features Direct reading tools, referencing from their hardened and ground bases All bases are 2-1/2" long Quicker and more convenient to use than any other type of depth gage within their ranges and accuracy Electronic indicators can be furnished by special order 0-1/2" Range .0005" Graduation 0-50 Dial Reading Case is included Specifications Range (in): 0-1/2" Graduations (in): .0005" Dial Reading: 0-50 Downloads 2D Dimensional Drawing (PDF) .pdf 62.88 kb