Image 1 of 1 100 Round cover slips 19mm diameter £8.20 Quantity: Add To Basket Added! You Might Also Like 19mm Diameter Ring Slides (Box of 10) £10.40 Sold out Balsam rods £3.00 Sold out Rubber teat pipette £1.60 Pins from £3.50 100 Cover slips 18x18mm £6.00