PRODUCT SPECIFICATIONS?--- Microwave Fuse Ceramic Fuse Cartridge Fuse protects the microwave from damage by shutting off the microwave if there's a power surge.Because high-voltage capacitors in a microwave can retain a lethal electrical charge even when the microwave is unplugged,a microwave should install this part.20 Amp Microwave Fuse is made from durable high quality material,well-tested by manufacturer.The product has a long service life. PACKAGE INCLUDES?--- 10 x Microwave Fuse Ceramic Fuse. 20 Amp 250V; Diameter:1/4 in (6.35 mm),Length:1-1/4 in (30 mm).If your microwave fuse breaks you made to replace the Microwave Fuse Ceramic Fuse. COMPATIBLE MODEL?--- 20 Amp Ceramic Slow Blow Fuse replaces with WB27X10388 Microwave models. PREMIUM QUALITY?--- The Microwave Fuse Ceramic Fuse part is made from durable high quality material and well-tested by the manufacturer,non OEM but quality equal to OEM requirements.High quality,good price;