By using longer screws (not included) you can stack on additional weights as shown

with tough and corrosion resistance black finish

XD Diaphragm Shock 62mm

35T Brushed Motor: SCA-1E

RPM increased the length of the tubular spring support of the spring cup by nearly 2mm (5/64")

Corally - Universal Soldering Jig-Carbon Fiber Replacement Parts Piston/Sleeve/Rod By using longer screws (notThis small and lightweight carbon fiber soldering jig is designed to quickly and easily hold your wires, Deans, XT60, and bullet connectors to make convenient work of your soldering needs. Featuring a spring loaded sliding movement, the jig opens up when compressed allowing you to insert your wires or connectors. When compression is released, the spring loaded bottom plate pulls back with clamping force, providing a secure hold while you work. The jig