PDT - MT 4-5 by PDT SKU 943-1840AA 123 $49.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Payment methods: We accept all major credit cards American Express Apple Pay Diners Club Discover JCB Mastercard Visa MT 4-5 Sickle Scaler with Yellow Handle. Posterior sickle, adapts like the 204S with the same angulation. More rigid with an extended reach for removal of tenacious calculus. Longer terminal shank and blade providing more reach and enhanced posterior adaptation.