Snap-on Industrial Brands Ratcheting Box End Wrench RBM-1921

DOUBLE END, STRAIGHT TYPE 8-1/4 INCH OVERALL LENGTH 19 SMALLER END SIZE IN MM 21 LARGER END SIZE IN MM 19 MM SMALLER END SIZE 21 MM LARGER END SIZE WILLIAMS. BRAND NUMBER OF POINTS 12 HEAD DIAMETER 1-13/32 INCH SMALLER END X 1-9/16 INCH LARGER END WEIGHT 0.5 LB COATING CHROME FINISH HEAD SIZE 1/2 INCH LARGER END SIZE IN MM - UOM MM SMALLER END SIZE IN MM - UOM MM RBM MODEL