Product Features:DHS TG7-BS T.T. BLADEShort Handle (Penhold)Wight: 90-96 (g)Ply: 7Thickness: 6.2-6.0 (mm)"High pressure ballonet" technology is applied by TG7 blade. The integrative structure of 5 ply interior timer forms a "ballonet" which reduces energy wastage. Once you beat the blade, the high sensitivity exterior timber could transfer energy from "Ballonet" quickly. TG7, the high energy blade for middle-long table attacking. About the manufacturer: DHS (Double Happiness) is not only the largest table tennis manufacturer in China, but it"s one of the national largest sporting goods suppliers. The company was founded in 1959 and is well-known and respectable in world table tennis field. Double Happiness (DHS), official equipment supply for 27th, 28th, 29th Olympic games, has its unique view point on the study of materials and formula, making technique, the mutual influence between table tennis and motor function.?DHS makes constant efforts to offer the technical support to the development of world table tennis sport. Many of the world"s top players. Many of DHS products have been approved by the I.T.T.F. (International Table Tennis Federation). Top Table Tennis Games Sponsored By DHS: The 30th Olympic Games (London,2012) The 29th Olympic Games (Beijing,2008) The 28th Olympic Games (Athens,2004) The 27th Olympic Games (Sydney,2000) The 51st W.T.T.C. (Rotterdam,2011) The 50th W.T.T.C. Team (Moscow,2010) The 49th W.T.T.C. Team (Guangzhou,2008) The 48th W.T.T.C. (Shanghai,2005) The 47th W.T.T.C. Team (Doha,2004) The 47th W.T.T.C. (Paris,2003) The 26th W.T.T.C. (Beijing,1961) ITTF Pro Tours (2009-2012) Men"s World Cup (2000-2012) Women"s World Cup (2001-2012)