The Lark Control Line Kit by RSM. Classic Legal by Charles A. Mackey for .35-.40. Wing Span 52" Full size plans. Medium Silk span. Large Nylon Bell crank. Metal Horns. Fully adjustable lead outs. Deluxe hardware kit. Flaps Additional items: Fuel Tank GRW 400BU Availability: Usually ships in 2-3 business days. The Lark Control Line Kit RSM-52LARRegular price: $129.95Sale price: $103.95 For October we are offering a Trick or Treat Grab Bag. All orders between $25-$99.99 will receive something from the Grab Bag valued up to $5 and all order over $100 will receive something valued up to $10.