Collection: Penetration mortar strength detector

VTSYIQI Penetration resistance detector Tester Meter Digital Penetration Mortar Strength Detector With Penetration Resistance Range 1000±10 Nail length 40mm Nail diameter 3.5mm

VTSYIQI Digital Penetration Mortar Strength Detector Penetration resistance detector Penetration mortar strength tester With Penetration resistance 800±8