Needle Scaler Aluminum Body Industrial Grade Attachment. The SC-VDEX-1BLNS is designed to fit over the needle tube on the 1BL style needle scaler. The aluminum snorkel slides over the nose of the needle scaler and an o-ring on the inside of the snorkel keeps the attachment from sliding off the needle tube. NOTE: SC-VDEX-1BLNS may not fit all brands or manufacturers of needle scalers. NOTE: VDEX WATER PLUG not suitable for this model.