Keson ST181003X Closed-ABS Housing Steel Tape Measures with Speed Rewind (Graduations: ft., in. 1/8), 100-Foot Designed to withstand more wear and tear than any other of its kind High-impact resistant case with full-rubber, non-slip grip Nylon-coated, 3/8-Inch Steel Blade for superior durability and rust resistance 3x Gearing for super-fast rewind & no more stripped gears Limited lifetime warranty 3 x 1 rewind gearing for quick rewind High-Impact resistant case with full rubber, non-slip grip. Folding Steel Hook for a great hold on measuring surfaces. Ideal for real estate agents, general surveying, civil engineering, building construction, highway and road construction, home building, mining, etc.