HM/TCT reversible blade for electric planer Extol Premium 8893405, 110 x 5.5 x 1.1 mm. 2 sets = 4 planer blades. Made of high quality carbide/tungsten carbide (TCT), Rockwell hardness: 90+HRC. The carbide blades last 5 times longer than the standard HSS planer blades. The packaging is made of solid cardboard and is without plastic. Helliston (TM) is already more than 20 years old renovation company. The planer blades are used daily by us or in the wood workshops of our business partners. We can guarantee that they meet our high quality standards. --- Do you have any suggestions? What could we do better? How could we lose our products? We would love to hear your opinion! Write to us.