M16, LONG, Hex Sets/Bolts, Fully Threaded, BZP, Metric, 8.8 High Tensile.

M16, LONG, Hex Sets/Bolts, Fully Threaded, BZP, Metric, 8.8 High Tensile.
 
Thread Size = 16mm
Head/Spanner Size = 24mm
 
Note: They are measured from underneath the head, so length is the total thread length not including the head.
 
You can also add on Nuts, Nylocs & Washers from the drop down box.