It's a multi-scale tool set for modelers drilling and tapping mounting holes for coupler boxes

Designed as a durable replacement for the original HPI 113706 spur gear

or TRAC5106

and this gear installs quickly with basic hand tools

Restores factory fit and rigidity

Associated 27313 Reedy LiPo Pro 7.4V 2400mAh Flat Tx/Rx Receiver Battery big-rock-3s-parts It's a multi-scale tool setAssociated 27313 Reedy LiPo Pro 7. 4V 2400mAh Flat Tx Rx Receiver Battery This is the Team Associated Reedy 7. 4V 2S 2400mAH LiPo Pro Receiver Battery. FEATURES: Ideal receiver battery for nitro powered radio control models Standard discharge plug fits into receiver switch harness XH balance connector INCLUDES: 7. 4V 2S 2400mAH LiPo Pro Receiver Battery REQUIREMENTS: LiPo Compatible Charger Balancer LiPo Charging Bag SPECIFICATIONS: Capacity: 2400mAh