Care Magnet Algae Scraper - Tunze

Care Magnet Pico Dimensions - 1.57" x 3.19" (40mm x 81mm) Glass Thickness - 1/8" to 1/4" (3mm to 6mm) Non-removable plastic blade  Care Magnet Nano Dimensions - 1.77" x 3.07" (45mm x 78mm) Glass Thickness - 1/4" to 3/8" (6mm to 10mm) Includes plastic replacement blade Care Magnet Long Dimensions - 3.39" x 5.51" (86mm x 140mm) Glass Thickness - 3/8" to 1/2" (10mm to 15mm) Includes stainless steel blade and two plastic replacement blades  Care Magnet Strong Dimensions - 3.39" x 5.51" (86mm x 140mm) Glass Thickness - 0.50" to 0.79" (15mm to 20mm) Includes stainless steel blade and two plastic replacement blades - plastic blades are recommended for acrylic tanks Care Magnet Strong+ Dimensions - 3.39" x 5.51" (86mm x 140mm) Glass Thickness - 0.79" to 0.98" (20mm to 25mm) Includes stainless steel blade and two plastic replacement blades - plastic blades are recommended for acrylic tanks