Bosch Variable Speed Corded Reciprocating Saw Gutter Systems The Galcon 7001D operates on The Galcon 7001D operates on a single 9 Volt alkaline battery and offers the same features of most traditional irrigation controllers single sleeve ratcheting chuck provides tight bit gripping strength no loose foot issues during use Soft ergonomic handle maximum comfort and gripping during cutting Blade change system most robust blade holder system for reliable and durable expectations allowing easier cutting in challenging positions (especially overhead) for less fatigue Constant orbital action fast cutting in all types of materials with orbital action feature Variable speed trigger improves cutting control in various materials Fixed foot provides robust and solid design for the toughest applications