Cheap And Discounts Webster Hardness Tester Durometer for Aluminum Alloy 25 to 110 HRE 58 to 131HV Thickness 0.4-8 Wholesale. Buy Directly From Merchant Instruments & Meters Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.