Grizzly G4820 1 2" Shaper Cutter Arbor 63 dB(A) The specialized Stainless Garden Hose Size:0.009 The specialized Stainless Garden Hose Coupler has 6 stainless locking balls and firm spring collar to fully engage the Stainless Garden Hose Plug and eliminate the risk of bumping against another object and separating the joint Finish Coating None Inside Diameter (in) 0 This arbor fits 1 2" router collets and will accept 1 2" shaper cutters that are 7 8" to 1 3 4" thick (Spacers or rub collars can be used with cutters that are less than 7 8") Combine the convenience and versatility of your variable speed router and router table with the wide selection of 1 2" shaper cutter profiles available