The MO5X line of moisture meters from Extech feature traditional compact pin moisture meters as well as combination pin/pinless moisture meters. Extech MO50: Compact Moisture Meter Extech MO53: Pinless Moisture Meter for Non-Invasive Measurements on Wood and Other Building Materials Extech MO55: Combination Pin/Pinless Moisture Meter Quick Moisture Measurements on Wood and Building Materials Extech MO57: Pinless Moisture Meter Pinless Spherical Sensor Moisture Meter for Non-Invasive Measurements on Wood and Other Building Materials