Bob Martin Clear 2 in 1 Wormer Tablets for Cats Kittens. Bob Martin Clear Wormer 20/230 mg Tablets for Cats Kittens. Bob Martin Clear Wormer Tablets for Cats and Kittens is a fast and effective treatment against all common types of intestinal worm that can normally infect cats in the UK. Most infected cats do not show signs of having worms; however, heavy burdens of worms can cause weight loss, vomiting and diarrhoea and failure to thrive. Clinically proven, the tablets help to keep your cat healthy and worm-free when used routinely. Effective from the first dose in eradicating tapeworms and roundworms. Directions:For animal treatment only.Weigh your cat carefully before calculating the dose.Give 1 tablet per 4 kg (9 lbs) bodyweight.The coated tablets should be given directly but if necessary, can be disguised in food.The tablets are scored into halves to enable a range of weights to be treated. Weight of your cat:1-2 kg: # tabletGreater than 2 kg up to 4 kg: 1 tabletGreater than 4 kg up to 6 kg: 1 # tablet