XHT 20-11/16", 3/8", HL Mower Blade - B1SN3007 Replacement XHT Lawnmower blade. XHT(Xtreme Hardness & Toughness) blades are 25-40% harder than standard lawnmower blades. Benefits of the HXT blade are sharper and longer lasting cutting edges. More resistance to bending. Tighter tolerances in the aftermarket vs. OEM. XHT blades also offer greater impact toughness. (1) blade for 21" cut. (2) blades for 41" cut. Punched for our B1SB910 high lift deflector. C to C 2-3/4" Center Hole 3/8" Hole Diameter .385" Length 20-11/16" Outer Hole 3/8" Outer Hole Diameter .385" Overall Length 20.8125" Thickness .164", .165 Type Medium Lift Width 2-3/4" Crossed From: SN-2007 J. THOMAS SN2007 J. THOMAS SN21SDA MOW MORE 010312 LESCO 050185 LESCO 1-9710 SNAPPER 1-9795 SNAPPER 1-9795 YAZOO/ KEES 19710 SNAPPER 19795 SNAPPER 19795 YAZOO/ KEES 2-6691 SNAPPER 2007 ROTARY 26691 SNAPPER 2883592 SNAPPER 335-042 STENS 335-240 STENS 335-252 STENS 335-356 STENS 335042 STENS 335240 STENS 335252 STENS 335356 STENS 50-2670 WINDSOR 502670 WINDSOR 7-04736 PRIME LINE 7-04978 PRIME LINE 7019795 SNAPPER 7019795 YAZOO/ KEES 7019795BZ SNAPPER 7019795BZ YAZOO/ KEES 7019795BZYP SNAPPER 702669BMA SNAPPER 7041939 SNAPPER 7041939BZYP SNAPPER 704736 PRIME LINE 704978 PRIME LINE 91137 LASER SALES 99-107 OREGON 99-107 POULAN 99107 OREGON 99107 POULAN A physical address must be provided, NO PO BOXES. Thanks for looking!