This is the Robart #610 90 Degree Nose 5/32" Strut Mechanical Retract. FEATURES: Part # 610 90 Deg. Nose with 5/32" Wire Strut Light durable and compact perfect for up to a 10 pound aircraft Durable, glass-filled, nylon housing supports an aluminum pivot bearing which secures the tempered steel 5/32 inch wire strut Positive up-and-down lock and positive tiller arm steering and smooth cam action. A 1/8 inch dia. pushrod is tapped 2-56 on one end for quick servo connection Also operates with standard or retract servos INCLUDES: 1 - #610 Nose gear retract Mounting screws Spare parts list Instructions REQUIRES: Possible modification to aircraft to fit retracts Possible modification to wire for wheels SPECS: Length: Total length closed: 8-1/8" (206.50mm) open: 8" (203.20mm) Base: Width: side to side w/mounting tabs: 1-3/4" (45mm) w/o mounting tabs: 15/16" (23.5mm) front to back w/actuating arm: 2-11/32" (71mm) w/o actuating arm: 1-7/8" (48mm) actuating arm extends: 1-1/8" (29mm) COMMENTS: You will need a 2-56 threaded rod to control actuators. They thread into the actuating arm and push/pull to activate. For the Robart Axle Adapter with 3/16" Axle for 5/32 Wire Struts, order ROBQ0658 rda7/25/06 ir/jxs