Products › ErgoSense® WHO-Probe (621), single-ended, Item: UGS-LM23-550BES Image 1 of 2 Image 2 of 2 ErgoSense® WHO-Probe (621), single-ended, Item: UGS-LM23-550BES $0.00 Add To Cart Added! You Might Also Like ErgoSense® Perio Probe, single-ended, Item: UGS-LM23-530BES ErgoSense® Explorer-WHO Probe, Item: UGS-LM23-550BES Sharp Diamond™ Mini Sickle SD, Item: UGS-LM311-312SDES Sharp Diamond™ Gracey 1/2 SD, Item: UGS-LM201-202SDES Sharp Diamond™ Mini Gracey 17/18 SD, Item: UGS-LM247-248MSDES