KTC M5-1921, 45 x 6 Long Box End Wrench, 19x21mm

●The caliber uses a power fit shape that prevents stress concentration from damaging the edges of bolts and nuts, allowing for more reliable tightening and loosening work . ●The rising angle is 45° x 6°. It suppresses offset height and length, making it easier to use in narrow spaces, and at the same time efficiently transmits force to bolts and nuts. ●The handle has a hollow in the center and has a cross-sectional shape that is strong and lightweight. ●The size display is a forged embossed stamp that is large and easy to read.