Snap-on Industrial Brands Ratcheting Box End Wrench RB-810

DOUBLE END, STRAIGHT TYPE 4-1/4 INCH OVERALL LENGTH 1/4 SMALLER END SIZE - FRACTIONAL 5/16 LARGER END SIZE - FRACTIONAL .25 SMALLER END SIZE - DECIMAL .3125 LARGER END SIZE - DECIMAL 1/4 INCH SMALLER END SIZE 5/16 INCH LARGER END SIZE WILLIAMS. BRAND APPLICABLE STANDARD FEDERAL SPECIFICATION GGG-W-001405 NUMBER OF POINTS 6 HEAD DIAMETER 19/32 INCH SMALLER END X 11/16 INCH LARGER END WEIGHT 0.12 LB COATING CHROME FINISH HEAD SIZE 3/8 INCH LARGER END SIZE - DECIMAL - UOM IN SMALLER END SIZE - DECIMAL - UOM IN RB MODEL