Size 3 fits all blades #15 and under. Size 4 fits blades #20 and up. These handles are stainless steel and floor grade which means it is for regular use, not an operating room. Well made, smooth, uniform in size. Stainless steel. Available at the following quantity prices:

1-9 (this page): 1.19
10-39 (click here): 1.00
40-99 (click here): 0.88
100-249 (click here): 0.82
250+ (click here): 0.784

Or click here to get #4 handles.