Hillman 1/2 I.D x 5/8 O.D x 1 in. Seamless Steel Spacer (5-Pack) 880419 - The Home Depot

Hillman 1/2 I.D x 5/8 O.D x 1 in. Seamless Steel Spacer (5-Pack) 880419 - The Home Depot

Everbilt #6 x 1/4 O.D. x 3/16 in. Aluminum Spacer 829238 - The Home Depot

Hillman 59655 3/8 x 1/2 x 1-1/2-Inch Seamless Steel Spacer, 10- Pack : Industrial & Scientific

Hillman 1/2 X 5/8 X 1-1/2 Seamless Steel Spacer (5-Pack), 45% OFF

Hillman 3/8 I.D x 1/2 O.D x 1-1/2 in. Seamless Steel Spacer (5-Pack) 880418 - The Home Depot

Everbilt 1/4 in. x 7/32 in. Aluminum Spacer 815178 - The Home Depot

Hillman 1-5/8 in. Machine Bushing (5-Pack) 883573 - The Home Depot

Hillman Zinc Heavy-Duty Spacers (5/16 in. I.D. x 5/8 in. O.D. x 1/2 in. Length) 883492 - The Home Depot

Hillman Seamless Steel Spacers (5/8in. I.D. x 7/8in. O.D. x 1-1/2in. Length) -1 Pack at Tractor Supply Co.