shock and abrasion resistance
Will not scratch metal flues like a steel brush
One piece loop handle for extra strength
Features combination polished and black-oxide finish
twisting and turning
Hillman 371942 Rawl Power Stud Wedge Anchor 1/2" x 5-1/2", 25 Pack Autumn_Cleaning shock and abrasion resistance"RAWL" POWER STUD WEDGE ANCHOR 25 Pack, 1 2 x 5 1 2", Power Stud Wedge Anchor, Carbon Steel Zinc, Thread Length 4", Minimum Embedment 2 1 4", Ultimate Tension 4,000 PSI Concrete 6,625 LB, Ultimate Shear 4,000 PSI 7,150 LB. Features: Size: 1 2" x 5 1 2" Finish: Steel Zinc Drill Size: 1 2" Min. Embedment: 2 1 4" Thread Length: 4" Base Material: Concrete Ultimate Tension (4,000 PSI Concrete): 6,625 Lbs. Ultimate Shear (4,000 PSI Concrete): 7,150 Lbs. ICC