Snap-on Industrial Brands Open End Wrench 3712

DOUBLE END TYPE 4 3/4 INCH OVERALL LENGTH 0.375 SMALLER END SIZE - FRACTIONAL 0.375 LARGER END SIZE - FRACTIONAL 3/8 INCH SMALLER END SIZE 3/8 INCH LARGER END SIZE 7/32 INCH HEAD THICKNESS 15 DEG, 60 DEG OFFSET ANGLE WILLIAMS[R] BRAND APPLICABLE STANDARD ANSI B107.39 HEAD DIAMETER 25/32 INCH