Safety Cable Thermoplastic urethane TPU. Length 181 mm. Mounting ring 10 mm OD with 5.3 mm hole, for M5 or equivalent screw. Mounting plug designed for 3.8 mm hole in material 2 mm thick or less. Teflon lubricant recommended to aid assembly. Replacement part for KIPP star grips in the K0154 and K0155 series. Can also be retrofitted to these or other knobs. Note: all KIPP measurements are expressed in millimeters (mm) except for threads and bores on inch products, which are expressed in inches.