/ Precision Measuring Tools / Precision Hand Tools / Depth Gages / Depth Gage Accessories / 3648-320 * Not actual product image 12263 3648-320 Base Extension for 3753 Series Electronic Depth Gages 12263 Other similar products Hardened Base Extension for 3753 - 320mm 320mm Features Specifications Downloads Contact Starrett Features Hardened Steel 320mm Length Specifications Fits Starrett Series: 3753A Downloads Starrett Electronic Precision Hand Tools (Bulletin 590) Starrett’s expanded range of electronic precision tools includes more than 100 new micrometers featuring advanced electronics, larger displays, enhanced ergonomics, longer battery life, IP67 rating and more. The product range includes Micrometers, Calipers, Height Gages, Depth Gages, Indicators, Bore Gages and Testers.