Home / Reamers / Ground Joint Holding Tool for 19mm Male with Steel Handle Ground Joint Holding Tool for 19mm Male with Steel Handle Manufacturer: Blast Shield Tools SKU: T069-A Price: $45.00 — Out of Stock This joint holder will hold a 19mm male glass ground joint. Designed with blow hole through holder. 1/4" hose will slide on the end of the blow tube. Related Products Joint Holder for 10mm Male Glass Ground Joint Joint Holder for 14mm Female Glass Ground Joint Joint Holder for 14mm Male Glass Ground Joint - Not Hollow Joint Holder for 14mm Female Glass Ground Joint - Not Hollow Joint Holder for 10mm Female Glass Ground Joint - Not Hollow Joint Holder for 10mm Male Glass Ground Joint - Not Hollow Joint Holder for 19mm Female Glass Ground Joint - Not Hollow Joint Holder for 19mm Male Glass Ground Joint - Not Hollow