larger size has an increased weight capacity of blocks individually and in a stack
314401 Slim Low-Profile Antenna
O-ring seal for waterproof connections
Specifications Circuit Breaker Type Magnetic Hydraulic - Trip Free Maximum Voltage 250 Volts AC / 80 Volts DC Rated Switch Cycles 10
DS21B-P Vertical Cable Seal
Ancor 16-14 Gauge - 5/16" Heat Shrink Ring Terminal - 100-Pack [311599] sumosprings larger size has an increased16 14 Gauge 5 16" Heat Shrink Ring Terminal 100 Pack Wire Range: 16 14 Screw Size: 5 16" Quantity: 100 Features: Cross Linked polyolefin tubing is much stronger than PVC tubing and will not burn like PVC Heat activated adhesive lining provides impervious seal to salt water, oil, acids, and sunlight as well as providing strain relief Nylon insulator, preferred by experts, for Marine Grade resistance to sunlight, water, oil, chemicals, vibration and cut