8″ Stoltz Bow Stop Poly Roller Works Best With Large Gunnel Lip Boats. Price Is Per Roller. SKU: 1187 Categories: Bow, Bow Stops & Winchs, Rollers, Winch Base Related products 10″ Poly Keel Roller Call For Price Part #:1194 Actual Roller Measurement Is 9 1/2" Long. It's Recommended That You Use A 10" Stainless Steel Roller Rod Part #190 With 2) Stainless Steel Cotter Pins Part #3121. 10″ Galvanized Roller Rod Shaft Call For Price Part #:1182 Actual Measurement Is 11 1/2" Long. Add 2) 5/8" Cap Nuts Part #1173 To Hold The Roller On To The Shaft. 4″ Poly V Block Bow Stop $17.95 Part #:1196 Fits 4" Wide Tabs. Add To Order Form 8″ Poly Keel Roller Call For Price Part #:1189 Actual Roller Measurement Is 7 1/2" Long. It's Recommended That You Use A 8" Stainless Steel Roller Rod Part #212 With 2) Stainless Steel Cotter Pins Part #3121.