Rain bird hpun1-1s drip irrigation hole punch tool. From the manufacturer: this handy hole-punch reduces fatigue and simplifies insertion of emitters, 1/4" couplings, and other barbed drip devices into 1/2" drip irrigation tubing. The sharp tip quickly creates the perfect size "pilot" hole for secure, long-lasting connections. Constructed of tough polymer with a built-in stop to help avoid puncturing both sides of tubing. Usage tip: add a lanyard through the hole and attach to your wrist to help prevent loss. Rain bird "the intelligent use of water".
