SHURSharp Disposable Microtome Blades, uncoated. Universal High & Low Profile Blades Fit Into Any High or Low Profile Blade Holder. Proprietary coating process minimizes compression and produces excellent ribbons. Heavy Duty Blades Available for Cutting Difficult & Frozen Tissues. SHURSharp offers three Disposable Microtome Blades - a PTFE coated high-profile blade, a low-profile blade and heavy duty blade. High-profile and low-profile blades will fit into any corresponding high or low profile blade holdersHeavy-duty blade fits only in TBS' blade holder for cutting denser specimens. SHURSharp low or high profile blades provide consistent sharpness & dependability. DMB-HD: SHURSharp Disposable Microtome Blade, Uncoated, Heavy Duty (0.020" x 0.498" x 3"), Requires DMBH or DMBH-E Disposable Microtome Blade Holder; (BLUE Pkg). DMBH: SHURSharp Disposable Microtome Blade Holder, 100% Stainless Steel construction, Unconditional 1 year warranty, Requires DMB-HD SHURSharp blades. Packaging: 35ea/pk