The name Hex refers to the shape of the ends of a wrench (hexagonal) which can fit into a hexagonal hole. They come in a variety of sizes, so you can find one that is perfect for your job.
.4RKLA
Call for price
.3RKLA
.3RKSA
.5RKSA
.6RKLA
.6RKSA
.10RKLA
.4RKSA
.8RKSA
.5RKLA
$1.65 /Each
.2RKLA
.2.5RKLA
.12RKSA
.8RKLA
.12RKLA
.14RKLA