Inflammatory bowel disease (IBD) refers to those conditions that cause chronic irritation, redness, and swelling (inflammation) of the gastrointestinal tract. This type of inflammation is associated with a disorder in the bodyâs immune system.
Ignition Wrenches. Ignition wrenches (see Figure 2-6) are simply sets of combination wrenches in very small sizes for ignition work. You can get a set for a couple of dollars. Figure 2-6: Use ignition wrenches for ignition work.
For socket wrenches to fit metric bolts, go here. The tables below show the commonly-available sizes of socket wrench and the fasteners they fit. The 8-pt sockets fit only square heads. A 12-pt socket fits both hexagonal and square heads. Twelve-point sockets also fit 12-pt heads (which are found only in aerospace bolts).