Ripley's HSK-19 is designed for use with 3/8″ (9.5 mm) or larger electric drills during the installation of permanently mounted mobile antennas. It's special drill bit prevents the saw from walking & the hole depth is limited to 0.125″ (3.18 mm) to prevent damage caused to the underlying headliners of vehicles.
Ribbed outer edge scores paint for improved grounding
Designed for 3/8in (9.5mm) or larger drills
Max. Hole Diameter: 3/4″ (19.05 mm)
Max. Hole Depth: 0.125″ (3.18 mm)
Length: 2.5″ (64 mm)
Weight: 4 oz (113 g)
Replacement Blade: RIP-SB-89