KWIK HUS and KWIK HUS-EZ Screw Anchors feature an optimized thread design, superior load values, and approvals. The 1/4- to 3/4-in. anchors are easy-to-set and fully-removable, and are great for repetitive installations such as glazing, racking, and ledgers. They can be used in cracked concrete, uncracked concrete, concrete over metal deck, and grout-filled CMU blocks in seismic and nonseismic zones. The 1/4-in. anchor has ICC-ES approval. Hilti Inc. 800-879-8000.