corrigendum - tender for purchase of dental instruments-22 blacak anodized malleable retractor set of three retractors sizes 10 / 12 mm, 15 / 17mm / , 20 / 22 mm, should be double ended with slightly different widths at either end of the blades malleable and thin, thus preventing the brain or eyeball from receiving excessive pressure should be black anodized to prevent glare, particulary when working with a headlight should have ce certification. 23 bone awl 24 bone cutting saw ( sagittal saw ) 25 bone expander kit ( mr. curette or similar ) 26 bone harvestin kit ( alpha bio or similar ) 27 bone holder / clamp 28 bone nibbler end cutting curved 29 bone nibbler end cutting straight 30 bone scraper 31 bone spreaders ( compatible with alpha bio ) 32 bracket height mbt gauges ( 022 slot ) ( autoclavable ) ( leone / gac / similar ) 33 cats paw retractor stainless steel, passivated for rust prevention and ultrasonic cleanable, • tuv certified 34 channel retractor for mandible stainless steel, passivated for rust prevention and ultrasonic cleanable, • tuv certified 35 chin retractor stainless steel, passivated for rust prevention and ultrasonic cleanable, • tuv certified 36 crown & bridge removal system kit containing 37 curette similar to lucas surgical bone curette ( double ended ) , stainless steel, passivated for rust prevention and ultrasonic cleanable => open tender