IMPA DESCRIPTION 610448 Extension Handle and Bar 50mm 1/4″ square drive 610449 Extension Handle and Bar 150mm 1/4″ square drive 610450 Extension Handle and Bar 75mm 3/8″ square drive 610451 Extension Handle and Bar 150mm 3/8″ square drive 610452 Extension Handle and Bar 300mm 3/8″ square drive 610453 Extension Handle and Bar 75mm 1/2″ square drive 610454 Extension Handle and Bar 150mm 1/2″ square drive 610455 Extension Handle and Bar 250mm 1/2″ square drive 610456 Extension Handle and Bar 200mm 3/4″ square drive 610457 Extension Handle and Bar 400mm 3/4″ square drive 610458 Extension Handle and Bar 150mm 1″ square drive 610459 Extension Handle and Bar 400mm 1″ square drive 610460 Extension Handle and Bar 250mm 1″ square drive