Peakworks Shock Absorbing Lanyards Made with a superior grade, heavy-duty 1-3/4 in (45 mm) or 1 in (25 mm) polyester webbing for maximum strength or 1/4 in (6 mm) galvanized plastic coated cable, with tear webbing shock absorber. Shock Packs are designed to tear the inner webbing to reduce the force the worker feels to an acceptable level. Abrasion and UV . . Pack of 1