PBC Linear LSR1201T 0508 RS NNN NNN N Precision Lead Screw, 12 mm Screw Dia, 1 mm Lead, 508 mm Lg, Standard Nut 1BE68 Key Rack Net Weight 90 Key Rack Net Weight 90 lb Capacity 1 (1) Type 27 Guard Accessory Free Tool Change Yes Electrical Protection Overload Protection Grip Style Barrel Grip Lock Off Switch No For Wheel Type Type 27 Power Source Corded Lock On Switch No Number of Speed Settings 1 Switch Location Bottom Max Precision Lead Screw 003 in ft Nut Drag Torque Free Wheeling Percent Efficiency 24% Left End Components None Right End Components None Nut Dynamic Load Capacity 778 N Country of Origin United States