Rotary 1237 Blade Adaptor 7/8" Fits Murray by Rotary $15.46 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Blade PRODUCT DESCRIPTION DESCRIPTION For 21" & Some 22" Murray Walkbehind Models: 821853, 821861, 821951, 821981 & 822651. Uses 2-1/4" Blade Bolt. FITS MODELS MURRAY 821853, 821861, 821951, 821981, 822651 REPLACES OEM MURRAY 42735 SPECS BLADE DROP 1-3/16" DIAMETER 2-1/4" SHAFT SIZE 7/8" BOLT LENGTH 2-1/4"