Eclipse Bi-Metal Holesaws Grinder Handle It has five speed options

It has five speed options to handle a variety of requirement

Tooth spacing : 2

impact rate 1

The 12 AMP motor has a variable speed control dial (2

breakthrough drill bits 45 – 55 mm Drilling diameter in concrete with core cutters 40 – 90 mm

Eclipse Bi-Metal Holesaws Grinder Handle It has five speed optionsAVAILABLE SIZES: ( 9 16 ) (14mm) ( 1 7 8 ) (48mm) ( 5 8 ) (16mm) ( 2 ) ( 51mm) ( 3 4 ) (19mm) ( 2 1 8 ) ( 54mm) ( 7 8 ) (22mm) ( 2 1 4 ) ( 57mm) ( 1 ) (25mm) ( 2 3 8 ) ( 60mm) ( 1 1 8 ) (29mm) ( 2 1 2 ) ( 64mm) (1 3 16 ) (30mm) ( 3 ) ( 76mm) ( 1 1 4 ) (32mm) ( 3 1 2 ) ( 89mm) ( 1 3 8 ) (35mm) ( 3 5 8 ) ( 92mm) ( 1 1 2 ) (38mm) ( 4 ) (102mm) ( 1 5 8 ) (41mm) ( 4 1 8 ) (105mm) ( 1 3 4 ) (44mm) ( 4 1 2 ) (114mm)