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Two sections of tubing that fit one inside the other can be used to create a collapsible pole or frame. These spring balls are inserted inside the smaller of the two tubes with a hole drilled for the ball so it protrudes a bit. Then one or more holes can be drilled in the larger tube so it will slide over the depressed ball and lock in place when the ball springs up at a hole.
|Hardware Material:||Metal, Stainless Steel (All Types)|
|Spring Ball Diameter:||1/4 inch|
|Spring Ball Height:||5/16 inch|
|Tubing Size:||7/8 inch or 1 inch|