Armstrong 27-643 3/8-Inch x 7/16-Inch, Double End Tappet Wrench
27-643 Model Code: AD (part# 27-643) This item features: -Precision broached openings. -Heat-treated to ensure correct hardness and spring. -Opening Type: Open/Open. -Head Angle: 15 Open Side. -Handle Type: Flat. -Material: Forged Alloy Steel. -Finish: Chrome. -Length Group: Long. -Measuring System: Inch. -Type: Open End Wrench. -Price is for 1 Each. Len. = Overall Length Len. = Overall Length Model Code  Model Description AAOpening Size:1/2 in, 9/16 in, Head Width:1.060 in, 1.170 in, Head Thickness:0.210 in, Overall Length:10 in, Wt.:0.13 lb ABOpening Size:15/16 in, 1 in, Head Width:1.840 in, 1.940 in, Head Thickness:0.220 in, Overall Length:9 in, Wt.:0.31 lb ACOpening Size:3/4 in, 7/8 in, Head Width:1.550 in, 1.680 in, Head Thickness:0.220 in, Overall Length:8 in, Wt.:0.39 lb ADOpening Size:3/8 in, 7/16 in, Head Width:0.810 in, 0.930 in, Head Thickness:0.210 in, Overall Length:10 in, Wt.:0.15 lb AEOpening Size:5/8 in, 11/16 in, Head Width:1.310 in, 1.440 in, Head Thickness:0.220 in, Overall Length:8 in, Wt.:0.20 lb AFOpening Size:7/16 in, 1/2 in, Head Width:0.930 in, 1.130 in, Head Thickness:0.210 in, Overall Length:10 in, Wt.:0.12 lb AGOpening Size:9/16 in, 5/8 in, Head Width:1.170 in, 1.310 in, Head Thickness:0.210 in, Overall Length:10 in, Wt.:0.20 lb