The River Country Barbecue Thermometers (RC-T3) have been specifically designed and manufactured with the highest accuracy and craftsmanship around for todays desiring cooks, whether youre a novice or a professional. Each RC-T3 has been factory tested, packaged, inspected, and approved for day in and day out Barbecue and Smoker use. The River Country RC-T3 has been manufactured using professional grade heavy-duty stainless steel to prevent rusting, has a professional grade heavy duty spring and high range metallic strip installed inside to provide years of accurate readings. They have an Easy to Read 3 inch color coded dial display which shows the exact cooking temperature (100 to 550f) and ideal cooking ranges for Barbecuing, Smoking, and Grilling. The thermometers have a lexan lens assembly that has been sealed with an industrial grade pliable sealant to withstand expansion and contraction from heating and cooling to reduce lens fogging and internal corrosion of the thermometer. The thermometer has a convenient 2 ½ inch long stem which makes for easy mounting in almost any location on your grill/smoker. The thermometer quickly and easily mounts simply by drilling a 3/8 inch hole and fastening with the supplied washer and backer nut. Each RC-T3 has a built in fine tuning adjustment screw on the back for easy calibration of the thermometer. All River Country RC-T3s are 100 % guaranteed with a 1 year limited warranty Features: Heavy duty stainless steel construction, Professional grade internal components, Easy to Read 3 color coded, high range dial (100 to 550 F) display, Non-Obtrusive easy mount ¼ x 2 ½ thermometer stem, No fog sealed lens, Fine tuning competition calibration adjustment screw, Complete mounting hardware and instruction included, Factory inspected, tested, packaged, One year limited replacement warranty.