Starting with the TRG 2018 model,we have improved technology twice to the grip,which felt more comfortable and more controllable than the previous style. The New 2019 TRG Irons feature an enhanced Matrix Steel Face Insert with a new design head to deliver faster ball speed and greater forgiving distance with every shot. In 2020,some customer thought the shaft is too flexible.We take this suggestion.The new 2022 model,we enhance the shaft flex,which work for U.S. golfer.All these efforts,just hope to provide better and more suitable products for our customer. The new Pron TRG22 chrome finish iron head is a progressive sole shaped iron with innovative Face insert,a high-speed cavity back design for faster ball speed and longer,straighter flight trajectory. Progressive sole design for an optimum look at address and performance through the turf. The enhanced Face Insert incorporates variable face thickness with the new cavity back design features a lower and deeper center of gravity to provides faster ball speed at impact and deliver longer,higher and straighter launch. Brand: Pron Model:TRG22 Publication Date:2022.02.20 Product:Iron Set Hand:Right-Handed Handcover: No Gender:Men Loft:19,21.5,25,28.5,33,38,43.5,49,55 Degree Bounce:0.5,1,1.5,2,3,3.5,4,5,7 Face Angle:0 Degree Size:Standard Lie Angle: 61,61.75,62.5,63,63.5,64,64.5,64.5,64.5 Degree Offset:4.3,4,3.7,3.5,3.5,3.5,3.5,3.5,2.5 Head Material:630 SS Head WT.: 236,243,250,257,264,271,278,285,288g Launch: High Shaft:TRG Sakayon Shaft Type:Graphite Shaft WT.:65g Flex:Regular/Senior S.W.: D0,D3,D4 Torque: 4.5 to 5.0 Iron Weight: Standard Grip:FJBLK 7022 Grip WT.:70g Core:Round Grip Size:0.6 Large for Japanese,More than Mid for USA Length:39.75,39.25,38.75,38.25,37.75,37.25,36.75,36.25,36" Original Country:Japan Head - Made in Japan Shaft - Made in Japan Assemble in JapanThree years guarantee. Support 30 days free return and refund, exchange service. Both regular and senior flex are available. Except progressive blade length for optimized play throughout the set, we made the loft 2 degree stronger. It creates a solid, consistently controllable club that delivers the great performance, and long distance, better players demand. Compared with 2020 model, the sole of the new model is 2.5mm wider and the face is larger too. It raises trajectory and increases distance. We reduced offset to suit the player¡¯s eye. All will make the high handicap player swing easy.Grip Type: round. Grip Size: 0.6. Golf Putter Lie Angle: 64.5 Degrees. Shaft Material: 8 Clubs Graphite Plus Length. Brand: pron. Material: 630SS. Golf Club Loft: 20.5 Degrees. Hand Orientation: Right. Golf Club Flex: Regular. Color: gold. Date First Available: March 24, 2021. Best Sellers Rank: #143,593 in Sports & Outdoors. Customer Reviews: 4.5 out of 5 stars 24 ratings 4.5 out of 5 stars. : B08ZYJVCPB. Grip Type: ?round. Grip Size: ?0.6. Hand Orientation: ?Right. Sport Type: ?Golf. Model Year: ?2022. Manufacturer: ?Wazaki. Number of Items: ?8. Material: ?630SS. Color: ?gold. Model Name: ?TRG. Warranty Description: ?Three years gurantee. Country of Origin: ?Japan. Brand Name: ?pron. Item Dimensions LxWxH: ?45.28 x 4.72 x 2.56 inches. Package Weight: ?3.65 Kilograms. Item Package Dimensions L x W x H: ?45.75 x 4.75 x 2.5 inches.