Dan Kubin Sidewinder 46er Featherweight Black Aluminum CC - Lightweight & Durable Aluminum Credit Card Holder for Everyday Carry & Outdoor Adventures

• Wider springs for more durability.
• Large, easy to turn, hardened steel stroke wheel. Pre-set stroke range and middle timing mark to prevent the machine from getting too far out of tune when experimenting.
• Hardened alloy steel impact pin. Positioned towards the rear of the frame to help with noise
• Large cam with precise timing mark. Allows for easier, and more precise impact alignment checks
• Smooth, easy clamping tube vice.
• Forward weight distribution for better ergonomics.
• Beautiful brass armature bar, perfectly balanced for a strong, confident, and? consistent hit.??
• O-ring groove in the bar allows for a more silent option (though will reduce performance as well)
• Reliable Mabuchi motor. -because they run forever without losing consistency.?

• Standard (brass frame construction): 6oz
• Featherweight? (7075 aluminum frame): 4.4 oz

This Featherweight model has about the perfect amount of mass, where it is light and agile, but not so light that it wants to jump out of your hand or feel shakey. (4.4 oz -about 1 oz heavier than other Featherweights, and 1.5 oz lighter than the? normal brass machines.)