Tourna big hitter silver offers good power, control, and comfort. Known for its durability, it received a #1 in durability award from the United States racquet stringers Association and also #2 in resistance to movement. Made in Germany with advanced poly poly-ether resins, this is a great all around poly. 660-Foot reel Controlled power Very durable Great all around poly From the makers of Tourna grip, the #1 tennis grip in the world ASIN B0058UL1XW Size 17g Reel Style 17g reel Brand Name Tourna Model Name Tourna Big Hitter Silver 17g Silver Item Weight 12 ounces Part Number HIT-200-17 Manufacturer Tourna Package Weight 0.59 Kilograms Suggested Users unisex Included Components tennis string Item Dimensions LxWxH 9 x 9 x 1 inches Item Package Dimensions L x W x H 9.76 x 9.49 x 2.17 inches