Replacement cap for a WSDCAM no. 255 Cable Tester.

The cable tester that came with my IP camera test set wouldn't fit in the box I bought for everything. The cable tester was about 10mm too long. So I made a replacement cap that is 10mm shorter.
This is for the No. 255 Cable Tester.

The tester came with this WSDCAM IP Camera Tester:

https://www.amazon.com/Display-Security-Firmware-Upgraded-8600MOVTSADH-Plus/dp/B00ZX3B81Y/ref=sr_1_2?ie=UTF8&qid=1507406397&sr=8-2&keywords=wsdcam