McMaster 1685N28 Hand Brake for Ball Bearing Carriage, for 45 mm Wide Rail G500692085 Container Type Cartridge Lubricant NSF Container Type Cartridge Lubricant NSF Rating Not Rated Dropping Point 600 Degrees F Application Crane Ladles Machine Accessories) 5 mm Number of Mounting Holes 4 Overall Width 170 Block Height 42 mm Block Length 44 mm Block Material Steel Block Width 120 mm For Rail Width 45 mm Handle Length 78 mm Handle Material Plastic Handle Type Lever Load Fastening From Top Maximum Clamping Force 445 lbf Maximum Temperature 155° F Mounting Fasteners Included No Mounting Hole Depth 14 mm Mounting Hole Thread Size M10 × 1