Description: -The precision aluminum seesaw holder is designed to replace stock plastic seesaw holder of ALIGN T-REX 500 helicopters. The aluminum seesaw holder is produced with extreme tight tolereance to provide very accurate and ultilizes all ABEC-5 bearings for super smooth flybar and seesaw operation. - Silver anodizing version Includes: -1 x precision aluminum seesaw holder -2 x high quality ABEC-5 radial bearings -2 x high quality ABEC-5 flange bearings Requires: -Loctite screws when assembly Weight: 8.0g Usage: -T-REX 500 helicopters ONLY Instruction: -N/A Features: Very strong one-piece design Very high quality ABEC-5 bearings provide total fitness and smoothness Optional upper mixing arms mounting hole to provide better stability 100% Precision CNC machined Aluminum, strong and stylist