Mister Landscaper MLA-Tool All-in-One Drip Irrigation Punch Tool Made in the USA Center channel to securely hold 1/4-in vinyl Tubing and coupler or dripper while inserting into the poly Tubing. Removable yellow cleaning tool that will clean the orifice of the micro-sprays and violet flow-controller. The flat, round-head goof plug fitting will easily give leverage to inserting into the poly or the 1/4-in in-line drip Tubing. The bright-blue color makes this punch tool easy to find if misplaced