I would say yes most all are standard now. Sometimes maybe a problem with heavy duty blades being to thick for regular knife to operate smoothly.
Yes this blade will cut you badly !!
Not unless you want stiches
yes
11-921K indicates that it is a 100 pack of the current blade. 11-921L indicates that it is 50 of the current blades. 11-921A is a 100 pack of the blades but in a classic 1992 style.
The 11-921 blades are Carbon steel. They have not been tested on Gila window film.
download the home depot app and you can go right to the aisle and bay in whichever store your in, with a simple search on your phone... usually, it's in the tool aisle or tool corral, on the right side, with all the other tools, hammers, screwdrivers and the like
Yes these fit every Utility Knife I own from Stanley to Harbor Freight and all in between, Hope this helps !!
The dimensions of the 11-921K are listed as 7.50 X 2.5 X 1.2. Please contact STANLEY at 1-800-262-2161 for further assistance.
Unfortunately it does not.