GENUINE FACTORY REPLACEMENT - Get 2 pairs of AccuMASTER factory replacement test pins in this pack. These are the same quality stainless steel pins sold with the AccuMASTER Duo Pro Pin & Pinless Moisture Meter and the AccuMASTER XT Moisture Meter. COMPATIBLE - These sharp stainless steel pins are reliable replacements for either the AccuMASTER Duo Pro Pin & Pinless Moisture Meter model 7445 or the AccuMASTER XT Moisture Meter model 7440. (moisture meters not included) EASY REPLACEMENT - Don't throw away the tool because of dull or broken test pins. These sharp and stout pins are dependable replacements that are easy to install and extend the life of your AccuMASTER moisture meter. The stainless steel test pins are for use on a variety of building materials. • Material: Stainless Steel • Overall Size: one pair – 3/8” (10mm), one pair 3/16” (5mm) The 3/8” (10mm) pins are great for use on wood, drywall, and other softer materials. The 3/16” (5mm) pins provide a stout shaft that is ideal for use in hardwood, mortar, stucco, concrete, and other harder materials as they cure. Replace pins when they become dull, are bent, or broken to ensure optimal performance from your AccuMASTER moisture meter allowing you to test for moisture content in a variety of building materials. Easy pin replacement in less than 30 seconds. To change pins, use a 5mm wrench or an adjustable wrench to turn the existing pin counter-clockwise to remove. Screw the new pins in clockwise and snug tight with a wrench. BE PREPARED, CARRY SPARES - These pins are ideal to have on hand should you damage your existing pins. You will also want a spare in case your current ones get dull or cracked. Click Add to Cart to get yourself these replacement pins today! Copyright 2021 Calculated Industries All Rights Reserved