a. The sheetrock hammer is used for hammering nails.

b. The sheetrock carrier (lifter) is used for carrying and lifting sheetrock.

c. Sheetrock knives are used to apply and finish joint compound. The 4-inch knife is used to bed the tape in the first layer of joint compound and for filling the dimples, the 6-inch knife is used for feathering out the second coat, and the 12-inch knife is used for the third/finish coat.

d. The corner trowel flexes from 90° to 103°. It is used to apply joint compound in interior corners.

e. The mud pan is used to hold and carry joint compound.

f. The corner-bead crimper is used to fasten the comer bead by crimping.

g. The T-square is used to lay out and guide a 90° cut on sheetrock.

h. The utility knife is used to score or cut the sheetrock (see Figure 2-29 ).

i. The keyhole saw is used for cutting irregular shapes and openings (such as outlet-box openings).

j. Surform is used to smooth sheetrock edges after cutting.

k. The tape banjo is used to apply tape (dry) or joint compound and tape (wet).

l. Sandpaper and sponges are used for feathering or smoothing dried joint compound.

m. A chalk line is used to facilitate layout.

n. A 16-foot measuring tape is used for measuring the sheetrock.

o. A 4-foot hand level is used to plumb.

p. Sawhorses are used for placing sheetrock on to make cut.