Bosch RH540S 12A 1-9/16 Spline Corded Variable Speed Rotary Hammer Drill W/Bits. Comes with 12 spline bits ranging from 3/8-1-1/4 some new some used but in good condition please see pictures for the bits. Condition is Used, great condition barely used see pictures. The item “Bosch RH540S 12A 1-9/16 Spline Corded Variable Speed Rotary Hammer Drill WithBits” is in sale since Thursday, June 11, 2020. This item is in the category “Business & Industrial\Light Equipment & Tools\Drills & Hammers\Hammer Drills”. The seller is “woodysales4you” and is located in Rockford, Illinois. This item can be shipped to United States.