Check the listing for details. Dental Drill Stoppers 4.2mm External Irrigated Drill With 6 Stoppers. Condition: New. Listed at 74.08 USD. PRODUCT DESCRIPTION AND CHARACTERISTICS Product Name: Dental Drill stoppers 4:2mm PRODUCT INCLUDES: 6 Drill stoppers : Length(6,8,10,11.5,13,16)mm 1 External Irrigation Drill 4.2mm -Length sizes written on the stoppers.. -Easy Fitting SHIPPING & HANDLING: v We offer worldwide shipping. v Some products are shipped from the stock available in USA, Ireland & UK, whereas some products are shipped directly from our Manufacturing Unit in PAKISTAN. v Most paid item are usually shipped within 48 Hours.