Snap-on Industrial Brands Ratcheting Box End Wrench RB-1820

DOUBLE END, STRAIGHT TYPE 8-1/8 INCH OVERALL LENGTH 9/16 SMALLER END SIZE - FRACTIONAL 5/8 LARGER END SIZE - FRACTIONAL .5625 SMALLER END SIZE - DECIMAL .625 LARGER END SIZE - DECIMAL 9/16 INCH SMALLER END SIZE 5/8 INCH LARGER END SIZE WILLIAMS. BRAND APPLICABLE STANDARD FEDERAL SPECIFICATION GGG-W-001405 NUMBER OF POINTS 12 HEAD DIAMETER 1-5/16 INCH SMALLER END X 1-7/16 INCH LARGER END WEIGHT 0.46 LB COATING CHROME FINISH HEAD SIZE 1/2 INCH LARGER END SIZE - DECIMAL - UOM IN SMALLER END SIZE - DECIMAL - UOM IN RB MODEL