BOSCH GWS13 52TG 5 In. Tuckpoint Grinder KStrong The knife features a patented Simplified Dust Compliance The knife features a patented Double Lock safety switch mechanism which works in conjunction with the primary Liner Lock to prevent dis­engagement when the knife is open No joints that can fail The TG502 dust guard helps users move toward compliance with OSHA silica dust regulations Arbor Size 7 8 in Grinder Type Angle Handle Type Auxiliary handle Housing Material Plastic Polymer Construction Product Storage Included Bag Powered Tool Power Source Electric Corded Variable Speed No Wheel Diameter (in) 5 Side Handle Yes Voltage (V) 120