Oxyacetylene
They come in sizes that are measured in inches and fractions of an inch to fit fasteners with an SAE (inch) size head
Number of Sizes 32
Number of Components 4
Arc Swing 8 Degrees Standards ASME B107
Bondhus 12137 SAE L-Shape Hex Key Set, 13-Piece, Long Length, 0.05 in to 3/8 in Tip Sizes, Alloy Steel, Black Oxide Finish, Standard End G5299305 OxyacetyleneThese sets have L shaped hex keys with a short arm that fits into tight spaces and a long arm that extends into recesses and other hard to reach spots. Using the long arm as a handle also allows applying higher torque compared to using the short arm. 13 piece SAE set, Bondhus alloy steel, black oxide finish, standard end. Sizes: 0. 05, 1 16, 5 64, 3 32, 7 64, 1 8, 9 64, 5 32, 3 16, 7 32, 1 4, 5 16, 3 8 in. Tip Size 0. 05 in, 1 16 in, 5 64 in, 3 32 in,