N1-1/4-20D Rosta 1-1/4" Pitch Duplex Sprocket Wheel Set for Chain Tensioners - WychBearings.co.uk
25H 25-1H 1/4" PITCH ANSI AS ROLLER CHAIN - MINI MOTO - CHOOSE LENGTH SIZE | eBay
Chainsaw Chain for 14 Inch (35 cm) Bar, 72 Drive Links 1/4" Pitch .043" Gauge Saw Chains Compatible with S-tihl 36700000072 and Other Chainsaws : Amazon.co.uk: Garden